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Subject[PATCH 15/15] gma500: Clean up the DPU config and make it runtime
Date
From: Alan Cox <alan@linux.intel.com>

We really don't want this all done by ifdeffery - and this isn't any need
as it's fairly easy to sort out.

Signed-off-by: Alan Cox <alan@linux.intel.com>
---

drivers/staging/gma500/Makefile | 1
drivers/staging/gma500/mdfld_dsi_dbi.c | 19 -
drivers/staging/gma500/mdfld_dsi_dbi_dpu.c | 778 ++++++++++++++++++++++++++
drivers/staging/gma500/mdfld_dsi_output.c | 8
drivers/staging/gma500/mdfld_intel_display.c | 49 +-
drivers/staging/gma500/mdfld_output.c | 42 +
drivers/staging/gma500/mdfld_output.h | 2
drivers/staging/gma500/mdfld_pyr_cmd.c | 7
drivers/staging/gma500/mdfld_tpo_cmd.c | 6
drivers/staging/gma500/psb_drv.c | 11
10 files changed, 845 insertions(+), 78 deletions(-)
create mode 100644 drivers/staging/gma500/mdfld_dsi_dbi_dpu.c

diff --git a/drivers/staging/gma500/Makefile b/drivers/staging/gma500/Makefile
index fe34f18..c729868 100644
--- a/drivers/staging/gma500/Makefile
+++ b/drivers/staging/gma500/Makefile
@@ -46,6 +46,7 @@ psb_gfx-$(CONFIG_DRM_PSB_MFLD) += mdfld_device.o \
mdfld_dsi_dpi.o \
mdfld_dsi_output.o \
mdfld_dsi_dbi.o \
+ mdfld_dsi_dbi_dpu.o \
mdfld_intel_display.o

obj-$(CONFIG_DRM_PSB) += psb_gfx.o
diff --git a/drivers/staging/gma500/mdfld_dsi_dbi.c b/drivers/staging/gma500/mdfld_dsi_dbi.c
index 06424f9..02e17c9 100644
--- a/drivers/staging/gma500/mdfld_dsi_dbi.c
+++ b/drivers/staging/gma500/mdfld_dsi_dbi.c
@@ -327,7 +327,6 @@ void mdfld_dsi_dbi_enter_dsr(struct mdfld_dsi_dbi_output *dbi_output, int pipe)
}
}

-#ifndef CONFIG_MDFLD_DSI_DPU
static void mdfld_dbi_output_exit_dsr(struct mdfld_dsi_dbi_output *dbi_output,
int pipe)
{
@@ -562,7 +561,6 @@ void mdfld_dbi_dsr_exit(struct drm_device *dev)
dev_priv->dbi_dsr_info = NULL;
}
}
-#endif

void mdfld_dsi_controller_dbi_init(struct mdfld_dsi_config *dsi_config,
int pipe)
@@ -648,12 +646,8 @@ struct mdfld_dsi_encoder *mdfld_dsi_dbi_init(struct drm_device *dev,
struct drm_encoder *encoder = NULL;
struct drm_display_mode *fixed_mode = NULL;
struct psb_gtt *pg = dev_priv ? (&dev_priv->gtt) : NULL;
-
-#ifdef CONFIG_MDFLD_DSI_DPU
struct mdfld_dbi_dpu_info *dpu_info = dev_priv ? (dev_priv->dbi_dpu_info) : NULL;
-#else
struct mdfld_dbi_dsr_info *dsr_info = dev_priv ? (dev_priv->dbi_dsr_info) : NULL;
-#endif
u32 data = 0;
int pipe;
int ret;
@@ -742,20 +736,16 @@ struct mdfld_dsi_encoder *mdfld_dsi_dbi_init(struct drm_device *dev,
dbi_output->first_boot = true;
dbi_output->mode_flags = MODE_SETTING_IN_ENCODER;

-#ifdef CONFIG_MDFLD_DSI_DPU
- /* Add this output to dpu_info */
- if (dsi_connector->status == connector_status_connected) {
+ /* Add this output to dpu_info if in DPU mode */
+ if (dpu_info && dsi_connector->status == connector_status_connected) {
if (dsi_connector->pipe == 0)
dpu_info->dbi_outputs[0] = dbi_output;
else
dpu_info->dbi_outputs[1] = dbi_output;

dpu_info->dbi_output_num++;
- }
-
-#else /*CONFIG_MDFLD_DSI_DPU*/
- if (dsi_connector->status == connector_status_connected) {
- /* Add this output to dsr_info */
+ } else if (dsi_connector->status == connector_status_connected) {
+ /* Add this output to dsr_info if not */
if (dsi_connector->pipe == 0)
dsr_info->dbi_outputs[0] = dbi_output;
else
@@ -763,7 +753,6 @@ struct mdfld_dsi_encoder *mdfld_dsi_dbi_init(struct drm_device *dev,

dsr_info->dbi_output_num++;
}
-#endif
return &dbi_output->base;
out_err1:
kfree(dbi_output);
diff --git a/drivers/staging/gma500/mdfld_dsi_dbi_dpu.c b/drivers/staging/gma500/mdfld_dsi_dbi_dpu.c
new file mode 100644
index 0000000..98ec990
--- /dev/null
+++ b/drivers/staging/gma500/mdfld_dsi_dbi_dpu.c
@@ -0,0 +1,778 @@
+/*
+ * Copyright © 2010-2011 Intel Corporation
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ *
+ * Authors:
+ * Jim Liu <jim.liu@intel.com>
+ * Jackie Li<yaodong.li@intel.com>
+ */
+
+#include "mdfld_dsi_dbi_dpu.h"
+#include "mdfld_dsi_dbi.h"
+
+/*
+ * NOTE: all mdlfd_x_damage funcs should be called by holding dpu_update_lock
+ */
+
+static int mdfld_cursor_damage(struct mdfld_dbi_dpu_info *dpu_info,
+ mdfld_plane_t plane,
+ struct psb_drm_dpu_rect *damaged_rect)
+{
+ int x, y;
+ int new_x, new_y;
+ struct psb_drm_dpu_rect *rect;
+ struct psb_drm_dpu_rect *pipe_rect;
+ int cursor_size;
+ struct mdfld_cursor_info *cursor;
+ mdfld_plane_t fb_plane;
+
+ if (plane == MDFLD_CURSORA) {
+ cursor = &dpu_info->cursors[0];
+ x = dpu_info->cursors[0].x;
+ y = dpu_info->cursors[0].y;
+ cursor_size = dpu_info->cursors[0].size;
+ pipe_rect = &dpu_info->damage_pipea;
+ fb_plane = MDFLD_PLANEA;
+ } else {
+ cursor = &dpu_info->cursors[1];
+ x = dpu_info->cursors[1].x;
+ y = dpu_info->cursors[1].y;
+ cursor_size = dpu_info->cursors[1].size;
+ pipe_rect = &dpu_info->damage_pipec;
+ fb_plane = MDFLD_PLANEC;
+ }
+ new_x = damaged_rect->x;
+ new_y = damaged_rect->y;
+
+ if (x == new_x && y == new_y)
+ return 0;
+
+ rect = &dpu_info->damaged_rects[plane];
+ /* Move to right */
+ if (new_x >= x) {
+ if (new_y > y) {
+ rect->x = x;
+ rect->y = y;
+ rect->width = (new_x + cursor_size) - x;
+ rect->height = (new_y + cursor_size) - y;
+ goto cursor_out;
+ } else {
+ rect->x = x;
+ rect->y = new_y;
+ rect->width = (new_x + cursor_size) - x;
+ rect->height = (y - new_y);
+ goto cursor_out;
+ }
+ } else {
+ if (new_y > y) {
+ rect->x = new_x;
+ rect->y = y;
+ rect->width = (x + cursor_size) - new_x;
+ rect->height = new_y - y;
+ goto cursor_out;
+ } else {
+ rect->x = new_x;
+ rect->y = new_y;
+ rect->width = (x + cursor_size) - new_x;
+ rect->height = (y + cursor_size) - new_y;
+ }
+ }
+cursor_out:
+ if (new_x < 0)
+ cursor->x = 0;
+ else if (new_x > 864)
+ cursor->x = 864;
+ else
+ cursor->x = new_x;
+
+ if (new_y < 0)
+ cursor->y = 0;
+ else if (new_y > 480)
+ cursor->y = 480;
+ else
+ cursor->y = new_y;
+
+ /*
+ * FIXME: this is a workaround for cursor plane update,
+ * remove it later!
+ */
+ rect->x = 0;
+ rect->y = 0;
+ rect->width = 864;
+ rect->height = 480;
+
+ mdfld_check_boundary(dpu_info, rect);
+ mdfld_dpu_region_extent(pipe_rect, rect);
+
+ /* Update pending status of dpu_info */
+ dpu_info->pending |= (1 << plane);
+ /* Update fb panel as well */
+ dpu_info->pending |= (1 << fb_plane);
+ return 0;
+}
+
+static int mdfld_fb_damage(struct mdfld_dbi_dpu_info *dpu_info,
+ mdfld_plane_t plane,
+ struct psb_drm_dpu_rect *damaged_rect)
+{
+ struct psb_drm_dpu_rect *rect;
+
+ if (plane == MDFLD_PLANEA)
+ rect = &dpu_info->damage_pipea;
+ else
+ rect = &dpu_info->damage_pipec;
+
+ mdfld_check_boundary(dpu_info, damaged_rect);
+
+ /* Add fb damage area to this pipe */
+ mdfld_dpu_region_extent(rect, damaged_rect);
+
+ /* Update pending status of dpu_info */
+ dpu_info->pending |= (1 << plane);
+ return 0;
+}
+
+/* Do nothing here, right now */
+static int mdfld_overlay_damage(struct mdfld_dbi_dpu_info *dpu_info,
+ mdfld_plane_t plane,
+ struct psb_drm_dpu_rect *damaged_rect)
+{
+ return 0;
+}
+
+int mdfld_dbi_dpu_report_damage(struct drm_device *dev,
+ mdfld_plane_t plane,
+ struct psb_drm_dpu_rect *rect)
+{
+ struct drm_psb_private *dev_priv = dev->dev_private;
+ struct mdfld_dbi_dpu_info *dpu_info = dev_priv->dbi_dpu_info;
+ int ret = 0;
+
+ /* DPU not in use, no damage reporting needed */
+ if (dpu_info == NULL)
+ return 0;
+
+ spin_lock(&dpu_info->dpu_update_lock);
+
+ switch (plane) {
+ case MDFLD_PLANEA:
+ case MDFLD_PLANEC:
+ mdfld_fb_damage(dpu_info, plane, rect);
+ break;
+ case MDFLD_CURSORA:
+ case MDFLD_CURSORC:
+ mdfld_cursor_damage(dpu_info, plane, rect);
+ break;
+ case MDFLD_OVERLAYA:
+ case MDFLD_OVERLAYC:
+ mdfld_overlay_damage(dpu_info, plane, rect);
+ break;
+ default:
+ DRM_ERROR("Invalid plane type %d\n", plane);
+ ret = -EINVAL;
+ }
+ spin_unlock(&dpu_info->dpu_update_lock);
+ return ret;
+}
+
+int mdfld_dbi_dpu_report_fullscreen_damage(struct drm_device *dev)
+{
+ struct drm_psb_private *dev_priv;
+ struct mdfld_dbi_dpu_info *dpu_info;
+ struct mdfld_dsi_config *dsi_config;
+ struct psb_drm_dpu_rect rect;
+ int i;
+
+ if (!dev) {
+ DRM_ERROR("Invalid parameter\n");
+ return -EINVAL;
+ }
+
+ dev_priv = dev->dev_private;
+ dpu_info = dev_priv->dbi_dpu_info;
+
+ /* This is fine - we may be in non DPU mode */
+ if (!dpu_info)
+ return -EINVAL;
+
+ for (i = 0; i < dpu_info->dbi_output_num; i++) {
+ dsi_config = dev_priv->dsi_configs[i];
+ if (dsi_config) {
+ rect.x = rect.y = 0;
+ rect.width = dsi_config->fixed_mode->hdisplay;
+ rect.height = dsi_config->fixed_mode->vdisplay;
+ mdfld_dbi_dpu_report_damage(dev,
+ i ? (MDFLD_PLANEC) : (MDFLD_PLANEA),
+ &rect);
+ }
+ }
+ /* Exit DSR state */
+ mdfld_dpu_exit_dsr(dev);
+ return 0;
+}
+
+int mdfld_dsi_dbi_dsr_off(struct drm_device *dev,
+ struct psb_drm_dpu_rect *rect)
+{
+ struct drm_psb_private *dev_priv = dev->dev_private;
+ struct mdfld_dbi_dpu_info *dpu_info = dev_priv->dbi_dpu_info;
+
+ mdfld_dbi_dpu_report_damage(dev, MDFLD_PLANEA, rect);
+
+ /* If dual display mode */
+ if (dpu_info->dbi_output_num == 2)
+ mdfld_dbi_dpu_report_damage(dev, MDFLD_PLANEC, rect);
+
+ /* Force dsi to exit DSR mode */
+ mdfld_dpu_exit_dsr(dev);
+ return 0;
+}
+
+static void mdfld_dpu_cursor_plane_flush(struct mdfld_dbi_dpu_info *dpu_info,
+ mdfld_plane_t plane)
+{
+ struct drm_device *dev = dpu_info->dev;
+ u32 curpos_reg = CURAPOS;
+ u32 curbase_reg = CURABASE;
+ u32 curcntr_reg = CURACNTR;
+ struct mdfld_cursor_info *cursor = &dpu_info->cursors[0];
+
+ if (plane == MDFLD_CURSORC) {
+ curpos_reg = CURCPOS;
+ curbase_reg = CURCBASE;
+ curcntr_reg = CURCCNTR;
+ cursor = &dpu_info->cursors[1];
+ }
+
+ REG_WRITE(curcntr_reg, REG_READ(curcntr_reg));
+ REG_WRITE(curpos_reg,
+ (((cursor->x & CURSOR_POS_MASK) << CURSOR_X_SHIFT) |
+ ((cursor->y & CURSOR_POS_MASK) << CURSOR_Y_SHIFT)));
+ REG_WRITE(curbase_reg, REG_READ(curbase_reg));
+}
+
+static void mdfld_dpu_fb_plane_flush(struct mdfld_dbi_dpu_info *dpu_info,
+ mdfld_plane_t plane)
+{
+ u32 pipesrc_reg = PIPEASRC;
+ u32 dspsize_reg = DSPASIZE;
+ u32 dspoff_reg = DSPALINOFF;
+ u32 dspsurf_reg = DSPASURF;
+ u32 dspstride_reg = DSPASTRIDE;
+ u32 stride;
+ struct psb_drm_dpu_rect *rect = &dpu_info->damage_pipea;
+ struct drm_device *dev = dpu_info->dev;
+
+ if (plane == MDFLD_PLANEC) {
+ pipesrc_reg = PIPECSRC;
+ dspsize_reg = DSPCSIZE;
+ dspoff_reg = DSPCLINOFF;
+ dspsurf_reg = DSPCSURF;
+ dspstride_reg = DSPCSTRIDE;
+ rect = &dpu_info->damage_pipec;
+ }
+
+ stride = REG_READ(dspstride_reg);
+ /* FIXME: should I do the pipe src update here? */
+ REG_WRITE(pipesrc_reg, ((rect->width - 1) << 16) | (rect->height - 1));
+ /* Flush plane */
+ REG_WRITE(dspsize_reg, ((rect->height - 1) << 16) | (rect->width - 1));
+ REG_WRITE(dspoff_reg, ((rect->x * 4) + (rect->y * stride)));
+ REG_WRITE(dspsurf_reg, REG_READ(dspsurf_reg));
+
+ /*
+ * TODO: wait for flip finished and restore the pipesrc reg,
+ * or cursor will be show at a wrong position
+ */
+}
+
+static void mdfld_dpu_overlay_plane_flush(struct mdfld_dbi_dpu_info *dpu_info,
+ mdfld_plane_t plane)
+{
+}
+
+/*
+ * TODO: we are still in dbi normal mode now, we will try to use partial
+ * mode later.
+ */
+static int mdfld_dbi_prepare_cb(struct mdfld_dsi_dbi_output *dbi_output,
+ struct mdfld_dbi_dpu_info *dpu_info, int pipe)
+{
+ u8 *cb_addr = (u8 *)dbi_output->dbi_cb_addr;
+ u32 *index;
+ struct psb_drm_dpu_rect *rect = pipe ?
+ (&dpu_info->damage_pipec) : (&dpu_info->damage_pipea);
+
+ /* FIXME: lock command buffer, this may lead to a deadlock,
+ as we already hold the dpu_update_lock */
+ if (!spin_trylock(&dbi_output->cb_lock)) {
+ DRM_ERROR("lock command buffer failed, try again\n");
+ return -EAGAIN;
+ }
+
+ index = &dbi_output->cb_write;
+
+ if (*index) {
+ DRM_ERROR("DBI command buffer unclean\n");
+ return -EAGAIN;
+ }
+
+ /* Column address */
+ *(cb_addr + ((*index)++)) = set_column_address;
+ *(cb_addr + ((*index)++)) = rect->x >> 8;
+ *(cb_addr + ((*index)++)) = rect->x;
+ *(cb_addr + ((*index)++)) = (rect->x + rect->width - 1) >> 8;
+ *(cb_addr + ((*index)++)) = (rect->x + rect->width - 1);
+
+ *index = 8;
+
+ /* Page address */
+ *(cb_addr + ((*index)++)) = set_page_addr;
+ *(cb_addr + ((*index)++)) = rect->y >> 8;
+ *(cb_addr + ((*index)++)) = rect->y;
+ *(cb_addr + ((*index)++)) = (rect->y + rect->height - 1) >> 8;
+ *(cb_addr + ((*index)++)) = (rect->y + rect->height - 1);
+
+ *index = 16;
+
+ /*write memory*/
+ *(cb_addr + ((*index)++)) = write_mem_start;
+
+ return 0;
+}
+
+static int mdfld_dbi_flush_cb(struct mdfld_dsi_dbi_output *dbi_output, int pipe)
+{
+ u32 cmd_phy = dbi_output->dbi_cb_phy;
+ u32 *index = &dbi_output->cb_write;
+ int reg_offset = pipe ? MIPIC_REG_OFFSET : 0;
+ struct drm_device *dev = dbi_output->dev;
+
+ if (*index == 0 || !dbi_output)
+ return 0;
+
+ REG_WRITE((MIPIA_CMD_LEN_REG + reg_offset), 0x010505);
+ REG_WRITE((MIPIA_CMD_ADD_REG + reg_offset), cmd_phy | 3);
+
+ *index = 0;
+
+ /* FIXME: unlock command buffer */
+ spin_unlock(&dbi_output->cb_lock);
+ return 0;
+}
+
+static int mdfld_dpu_update_pipe(struct mdfld_dsi_dbi_output *dbi_output,
+ struct mdfld_dbi_dpu_info *dpu_info, int pipe)
+{
+ struct drm_device *dev = dbi_output->dev;
+ struct drm_psb_private *dev_priv = dev->dev_private;
+ mdfld_plane_t cursor_plane = MDFLD_CURSORA;
+ mdfld_plane_t fb_plane = MDFLD_PLANEA;
+ mdfld_plane_t overlay_plane = MDFLD_OVERLAYA;
+ int ret = 0;
+ u32 plane_mask = MDFLD_PIPEA_PLANE_MASK;
+
+ /* Damaged rects on this pipe */
+ if (pipe) {
+ cursor_plane = MDFLD_CURSORC;
+ fb_plane = MDFLD_PLANEC;
+ overlay_plane = MDFLD_OVERLAYC;
+ plane_mask = MDFLD_PIPEC_PLANE_MASK;
+ }
+
+ /*update cursor which assigned to @pipe*/
+ if (dpu_info->pending & (1 << cursor_plane))
+ mdfld_dpu_cursor_plane_flush(dpu_info, cursor_plane);
+
+ /*update fb which assigned to @pipe*/
+ if (dpu_info->pending & (1 << fb_plane))
+ mdfld_dpu_fb_plane_flush(dpu_info, fb_plane);
+
+ /* TODO: update overlay */
+ if (dpu_info->pending & (1 << overlay_plane))
+ mdfld_dpu_overlay_plane_flush(dpu_info, overlay_plane);
+
+ /* Flush damage area to panel fb */
+ if (dpu_info->pending & plane_mask) {
+ ret = mdfld_dbi_prepare_cb(dbi_output, dpu_info, pipe);
+ /*
+ * TODO: remove b_dsr_enable later,
+ * added it so that text console could boot smoothly
+ */
+ /* Clean pending flags on this pipe */
+ if (!ret && dev_priv->b_dsr_enable) {
+ dpu_info->pending &= ~plane_mask;
+ /* Reset overlay pipe damage rect */
+ mdfld_dpu_init_damage(dpu_info, pipe);
+ }
+ }
+ return ret;
+}
+
+static int mdfld_dpu_update_fb(struct drm_device *dev)
+{
+ struct drm_crtc *crtc;
+ struct psb_intel_crtc *psb_crtc;
+ struct mdfld_dsi_dbi_output **dbi_output;
+ struct drm_psb_private *dev_priv = dev->dev_private;
+ struct mdfld_dbi_dpu_info *dpu_info = dev_priv->dbi_dpu_info;
+ bool pipe_updated[2];
+ unsigned long irq_flags;
+ u32 dpll_reg = MRST_DPLL_A;
+ u32 dspcntr_reg = DSPACNTR;
+ u32 pipeconf_reg = PIPEACONF;
+ u32 dsplinoff_reg = DSPALINOFF;
+ u32 dspsurf_reg = DSPASURF;
+ u32 mipi_state_reg = MIPIA_INTR_STAT_REG;
+ u32 reg_offset = 0;
+ int pipe;
+ int i;
+ int ret;
+
+ dbi_output = dpu_info->dbi_outputs;
+ pipe_updated[0] = pipe_updated[1] = false;
+
+ if (!gma_power_begin(dev, true))
+ return -EAGAIN;
+
+ /* Try to prevent any new damage reports */
+ if (!spin_trylock_irqsave(&dpu_info->dpu_update_lock, irq_flags))
+ return -EAGAIN;
+
+ for (i = 0; i < dpu_info->dbi_output_num; i++) {
+ crtc = dbi_output[i]->base.base.crtc;
+ psb_crtc = (crtc) ? to_psb_intel_crtc(crtc) : NULL;
+
+ pipe = dbi_output[i]->channel_num ? 2 : 0;
+
+ if (pipe == 2) {
+ dspcntr_reg = DSPCCNTR;
+ pipeconf_reg = PIPECCONF;
+ dsplinoff_reg = DSPCLINOFF;
+ dspsurf_reg = DSPCSURF;
+ reg_offset = MIPIC_REG_OFFSET;
+ }
+
+ if (!(REG_READ((MIPIA_GEN_FIFO_STAT_REG + reg_offset))
+ & (1 << 27)) ||
+ !(REG_READ(dpll_reg) & DPLL_VCO_ENABLE) ||
+ !(REG_READ(dspcntr_reg) & DISPLAY_PLANE_ENABLE) ||
+ !(REG_READ(pipeconf_reg) & DISPLAY_PLANE_ENABLE)) {
+ dev_err(dev->dev,
+ "DBI FIFO is busy, DSI %d state %x\n",
+ pipe,
+ REG_READ(mipi_state_reg + reg_offset));
+ continue;
+ }
+
+ /*
+ * If DBI output is in a exclusive state then the pipe
+ * change won't be updated
+ */
+ if (dbi_output[i]->dbi_panel_on &&
+ !(dbi_output[i]->mode_flags & MODE_SETTING_ON_GOING) &&
+ !(psb_crtc &&
+ psb_crtc->mode_flags & MODE_SETTING_ON_GOING) &&
+ !(dbi_output[i]->mode_flags & MODE_SETTING_IN_DSR)) {
+ ret = mdfld_dpu_update_pipe(dbi_output[i],
+ dpu_info, dbi_output[i]->channel_num ? 2 : 0);
+ if (!ret)
+ pipe_updated[i] = true;
+ }
+ }
+
+ for (i = 0; i < dpu_info->dbi_output_num; i++)
+ if (pipe_updated[i])
+ mdfld_dbi_flush_cb(dbi_output[i],
+ dbi_output[i]->channel_num ? 2 : 0);
+
+ spin_unlock_irqrestore(&dpu_info->dpu_update_lock, irq_flags);
+ gma_power_end(dev);
+ return 0;
+}
+
+static int __mdfld_dbi_exit_dsr(struct mdfld_dsi_dbi_output *dbi_output,
+ int pipe)
+{
+ struct drm_device *dev = dbi_output->dev;
+ struct drm_crtc *crtc = dbi_output->base.base.crtc;
+ struct psb_intel_crtc *psb_crtc = (crtc) ? to_psb_intel_crtc(crtc)
+ : NULL;
+ u32 reg_val;
+ u32 dpll_reg = MRST_DPLL_A;
+ u32 pipeconf_reg = PIPEACONF;
+ u32 dspcntr_reg = DSPACNTR;
+ u32 dspbase_reg = DSPABASE;
+ u32 dspsurf_reg = DSPASURF;
+ u32 reg_offset = 0;
+
+ if (!dbi_output)
+ return 0;
+
+ /*if mode setting on-going, back off*/
+ if ((dbi_output->mode_flags & MODE_SETTING_ON_GOING) ||
+ (psb_crtc && psb_crtc->mode_flags & MODE_SETTING_ON_GOING))
+ return -EAGAIN;
+
+ if (pipe == 2) {
+ dpll_reg = MRST_DPLL_A;
+ pipeconf_reg = PIPECCONF;
+ dspcntr_reg = DSPCCNTR;
+ dspbase_reg = MDFLD_DSPCBASE;
+ dspsurf_reg = DSPCSURF;
+
+ reg_offset = MIPIC_REG_OFFSET;
+ }
+
+ if (!ospm_power_using_hw_begin(OSPM_DISPLAY_ISLAND, true))
+ return -EAGAIN;
+
+ /* Enable DPLL */
+ reg_val = REG_READ(dpll_reg);
+ if (!(reg_val & DPLL_VCO_ENABLE)) {
+
+ if (reg_val & MDFLD_PWR_GATE_EN) {
+ reg_val &= ~MDFLD_PWR_GATE_EN;
+ REG_WRITE(dpll_reg, reg_val);
+ REG_READ(dpll_reg);
+ udelay(500);
+ }
+
+ reg_val |= DPLL_VCO_ENABLE;
+ REG_WRITE(dpll_reg, reg_val);
+ REG_READ(dpll_reg);
+ udelay(500);
+
+ /* FIXME: add timeout */
+ while (!(REG_READ(pipeconf_reg) & PIPECONF_DSIPLL_LOCK))
+ cpu_relax();
+ }
+
+ /* Enable pipe */
+ reg_val = REG_READ(pipeconf_reg);
+ if (!(reg_val & PIPEACONF_ENABLE)) {
+ reg_val |= PIPEACONF_ENABLE;
+ REG_WRITE(pipeconf_reg, reg_val);
+ REG_READ(pipeconf_reg);
+ udelay(500);
+ mdfldWaitForPipeEnable(dev, pipe);
+ }
+
+ /* Enable plane */
+ reg_val = REG_READ(dspcntr_reg);
+ if (!(reg_val & DISPLAY_PLANE_ENABLE)) {
+ reg_val |= DISPLAY_PLANE_ENABLE;
+ REG_WRITE(dspcntr_reg, reg_val);
+ REG_READ(dspcntr_reg);
+ udelay(500);
+ }
+
+ ospm_power_using_hw_end(OSPM_DISPLAY_ISLAND);
+
+ /*clean IN_DSR flag*/
+ dbi_output->mode_flags &= ~MODE_SETTING_IN_DSR;
+
+ return 0;
+}
+
+int mdfld_dpu_exit_dsr(struct drm_device *dev)
+{
+ struct mdfld_dsi_dbi_output **dbi_output;
+ struct drm_psb_private *dev_priv = dev->dev_private;
+ struct mdfld_dbi_dpu_info *dpu_info = dev_priv->dbi_dpu_info;
+ int i;
+ int pipe;
+
+ dbi_output = dpu_info->dbi_outputs;
+
+ for (i = 0; i < dpu_info->dbi_output_num; i++) {
+ /* If this output is not in DSR mode, don't call exit dsr */
+ if (dbi_output[i]->mode_flags & MODE_SETTING_IN_DSR)
+ __mdfld_dbi_exit_dsr(dbi_output[i],
+ dbi_output[i]->channel_num ? 2 : 0);
+ }
+
+ /* Enable TE interrupt */
+ for (i = 0; i < dpu_info->dbi_output_num; i++) {
+ /* If this output is not in DSR mode, don't call exit dsr */
+ pipe = dbi_output[i]->channel_num ? 2 : 0;
+ if (dbi_output[i]->dbi_panel_on && pipe) {
+ mdfld_disable_te(dev, 0);
+ mdfld_enable_te(dev, 2);
+ } else if (dbi_output[i]->dbi_panel_on && !pipe) {
+ mdfld_disable_te(dev, 2);
+ mdfld_enable_te(dev, 0);
+ }
+ }
+ return 0;
+}
+
+static int mdfld_dpu_enter_dsr(struct drm_device *dev)
+{
+ struct drm_psb_private *dev_priv = dev->dev_private;
+ struct mdfld_dbi_dpu_info *dpu_info = dev_priv->dbi_dpu_info;
+ struct mdfld_dsi_dbi_output **dbi_output;
+ int i;
+
+ dbi_output = dpu_info->dbi_outputs;
+
+ for (i = 0; i < dpu_info->dbi_output_num; i++) {
+ /* If output is off or already in DSR state, don't re-enter */
+ if (dbi_output[i]->dbi_panel_on &&
+ !(dbi_output[i]->mode_flags & MODE_SETTING_IN_DSR)) {
+ mdfld_dsi_dbi_enter_dsr(dbi_output[i],
+ dbi_output[i]->channel_num ? 2 : 0);
+ }
+ }
+
+ return 0;
+}
+
+static void mdfld_dbi_dpu_timer_func(unsigned long data)
+{
+ struct drm_device *dev = (struct drm_device *)data;
+ struct drm_psb_private *dev_priv = dev->dev_private;
+ struct mdfld_dbi_dpu_info *dpu_info = dev_priv->dbi_dpu_info;
+ struct timer_list *dpu_timer = &dpu_info->dpu_timer;
+ unsigned long flags;
+
+ if (dpu_info->pending) {
+ dpu_info->idle_count = 0;
+ /* Update panel fb with damaged area */
+ mdfld_dpu_update_fb(dev);
+ } else {
+ dpu_info->idle_count++;
+ }
+
+ if (dpu_info->idle_count >= MDFLD_MAX_IDLE_COUNT) {
+ mdfld_dpu_enter_dsr(dev);
+ /* Stop timer by return */
+ return;
+ }
+
+ spin_lock_irqsave(&dpu_info->dpu_timer_lock, flags);
+ if (!timer_pending(dpu_timer)) {
+ dpu_timer->expires = jiffies + MDFLD_DSR_DELAY;
+ add_timer(dpu_timer);
+ }
+ spin_unlock_irqrestore(&dpu_info->dpu_timer_lock, flags);
+}
+
+void mdfld_dpu_update_panel(struct drm_device *dev)
+{
+ struct drm_psb_private *dev_priv = dev->dev_private;
+ struct mdfld_dbi_dpu_info *dpu_info = dev_priv->dbi_dpu_info;
+
+ if (dpu_info->pending) {
+ dpu_info->idle_count = 0;
+
+ /*update panel fb with damaged area*/
+ mdfld_dpu_update_fb(dev);
+ } else {
+ dpu_info->idle_count++;
+ }
+
+ if (dpu_info->idle_count >= MDFLD_MAX_IDLE_COUNT) {
+ /*enter dsr*/
+ mdfld_dpu_enter_dsr(dev);
+ }
+}
+
+static int mdfld_dbi_dpu_timer_init(struct drm_device *dev,
+ struct mdfld_dbi_dpu_info *dpu_info)
+{
+ struct timer_list *dpu_timer = &dpu_info->dpu_timer;
+ unsigned long flags;
+
+ spin_lock_init(&dpu_info->dpu_timer_lock);
+ spin_lock_irqsave(&dpu_info->dpu_timer_lock, flags);
+
+ init_timer(dpu_timer);
+
+ dpu_timer->data = (unsigned long)dev;
+ dpu_timer->function = mdfld_dbi_dpu_timer_func;
+ dpu_timer->expires = jiffies + MDFLD_DSR_DELAY;
+
+ spin_unlock_irqrestore(&dpu_info->dpu_timer_lock, flags);
+
+ return 0;
+}
+
+void mdfld_dbi_dpu_timer_start(struct mdfld_dbi_dpu_info *dpu_info)
+{
+ struct timer_list *dpu_timer = &dpu_info->dpu_timer;
+ unsigned long flags;
+
+ spin_lock_irqsave(&dpu_info->dpu_timer_lock, flags);
+ if (!timer_pending(dpu_timer)) {
+ dpu_timer->expires = jiffies + MDFLD_DSR_DELAY;
+ add_timer(dpu_timer);
+ }
+ spin_unlock_irqrestore(&dpu_info->dpu_timer_lock, flags);
+}
+
+int mdfld_dbi_dpu_init(struct drm_device *dev)
+{
+ struct drm_psb_private *dev_priv = dev->dev_private;
+ struct mdfld_dbi_dpu_info *dpu_info = dev_priv->dbi_dpu_info;
+
+ if (!dpu_info || IS_ERR(dpu_info)) {
+ dpu_info = kzalloc(sizeof(struct mdfld_dbi_dpu_info),
+ GFP_KERNEL);
+ if (!dpu_info) {
+ DRM_ERROR("No memory\n");
+ return -ENOMEM;
+ }
+ dev_priv->dbi_dpu_info = dpu_info;
+ }
+
+ dpu_info->dev = dev;
+
+ dpu_info->cursors[0].size = MDFLD_CURSOR_SIZE;
+ dpu_info->cursors[1].size = MDFLD_CURSOR_SIZE;
+
+ /*init dpu_update_lock*/
+ spin_lock_init(&dpu_info->dpu_update_lock);
+
+ /*init dpu refresh timer*/
+ mdfld_dbi_dpu_timer_init(dev, dpu_info);
+
+ /*init pipe damage area*/
+ mdfld_dpu_init_damage(dpu_info, 0);
+ mdfld_dpu_init_damage(dpu_info, 2);
+
+ return 0;
+}
+
+void mdfld_dbi_dpu_exit(struct drm_device *dev)
+{
+ struct drm_psb_private *dev_priv = dev->dev_private;
+ struct mdfld_dbi_dpu_info *dpu_info = dev_priv->dbi_dpu_info;
+
+ if (!dpu_info)
+ return;
+
+ del_timer_sync(&dpu_info->dpu_timer);
+ kfree(dpu_info);
+ dev_priv->dbi_dpu_info = NULL;
+}
+
+
diff --git a/drivers/staging/gma500/mdfld_dsi_output.c b/drivers/staging/gma500/mdfld_dsi_output.c
index 3286c3d..7536095 100644
--- a/drivers/staging/gma500/mdfld_dsi_output.c
+++ b/drivers/staging/gma500/mdfld_dsi_output.c
@@ -46,7 +46,7 @@ module_param (LABC_control, int, 0644);
* we don't need 'movl' everytime we send them.
* FIXME: these datas were provided by OEM, we should get them from GCT.
**/
-static const u32 mdfld_dbi_mcs_hysteresis[] = {
+static u32 mdfld_dbi_mcs_hysteresis[] = {
0x42000f57, 0x8c006400, 0xff00bf00, 0xffffffff,
0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff,
0x38000aff, 0x82005000, 0xff00ab00, 0xffffffff,
@@ -54,16 +54,16 @@ static const u32 mdfld_dbi_mcs_hysteresis[] = {
0x000000ff,
};

-static const u32 mdfld_dbi_mcs_display_profile[] = {
+static u32 mdfld_dbi_mcs_display_profile[] = {
0x50281450, 0x0000c882, 0x00000000, 0x00000000,
0x00000000,
};

-static const u32 mdfld_dbi_mcs_kbbc_profile[] = {
+static u32 mdfld_dbi_mcs_kbbc_profile[] = {
0x00ffcc60, 0x00000000, 0x00000000, 0x00000000,
};

-static const u32 mdfld_dbi_mcs_gamma_profile[] = {
+static u32 mdfld_dbi_mcs_gamma_profile[] = {
0x81111158, 0x88888888, 0x88888888,
};

diff --git a/drivers/staging/gma500/mdfld_intel_display.c b/drivers/staging/gma500/mdfld_intel_display.c
index ac74a8d..aa2ff55 100644
--- a/drivers/staging/gma500/mdfld_intel_display.c
+++ b/drivers/staging/gma500/mdfld_intel_display.c
@@ -28,10 +28,7 @@
#include "psb_intel_display.h"
#include "mdfld_dsi_dbi.h"
#include "mdfld_dsi_dpi.h"
-//#include "mdfld_dsi_output.h"
-#ifdef CONFIG_MDFLD_DSI_DPU
#include "mdfld_dsi_dbi_dpu.h"
-#endif

#include <linux/pm_runtime.h>

@@ -232,25 +229,23 @@ static int mdfld_intel_crtc_cursor_set(struct drm_crtc *crtc,
REG_WRITE(base, addr);
gma_power_end(dev);
}
-#if 0
- /* FIXME: COnvert to GEM */
- /* unpin the old bo */
- if (psb_intel_crtc->cursor_bo && psb_intel_crtc->cursor_bo != bo) {
- mode_dev->bo_unpin_for_scanout(dev, psb_intel_crtc->cursor_bo);
- psb_intel_crtc->cursor_bo = bo;
+ /* unpin the old GEM object */
+ if (psb_intel_crtc->cursor_obj) {
+ gt = container_of(psb_intel_crtc->cursor_obj,
+ struct gtt_range, gem);
+ psb_gtt_unpin(gt);
+ drm_gem_object_unreference(psb_intel_crtc->cursor_obj);
+ psb_intel_crtc->cursor_obj = obj;
}
-#endif
return 0;
}

static int mdfld_intel_crtc_cursor_move(struct drm_crtc *crtc, int x, int y)
{
struct drm_device *dev = crtc->dev;
-#ifndef CONFIG_MDFLD_DSI_DPU
struct drm_psb_private * dev_priv = (struct drm_psb_private *)dev->dev_private;
-#else
+ struct mdfld_dbi_dpu_info *dpu_info = dev_priv->dbi_dpu_info;
struct psb_drm_dpu_rect rect;
-#endif
struct psb_intel_crtc *psb_intel_crtc = to_psb_intel_crtc(crtc);
int pipe = psb_intel_crtc->pipe;
uint32_t pos = CURAPOS;
@@ -260,29 +255,25 @@ static int mdfld_intel_crtc_cursor_move(struct drm_crtc *crtc, int x, int y)

switch (pipe) {
case 0:
-#ifndef CONFIG_MDFLD_DSI_DPU
- if (!(dev_priv->dsr_fb_update & MDFLD_DSR_CURSOR_0))
- mdfld_dsi_dbi_exit_dsr (dev, MDFLD_DSR_CURSOR_0);
-#else /*CONFIG_MDFLD_DSI_DPU*/
- rect.x = x;
- rect.y = y;
+ if (dpu_info) {
+ rect.x = x;
+ rect.y = y;

- mdfld_dbi_dpu_report_damage(dev, MDFLD_CURSORA, &rect);
- mdfld_dpu_exit_dsr(dev);
-#endif
+ mdfld_dbi_dpu_report_damage(dev, MDFLD_CURSORA, &rect);
+ mdfld_dpu_exit_dsr(dev);
+ } else if (!(dev_priv->dsr_fb_update & MDFLD_DSR_CURSOR_0))
+ mdfld_dsi_dbi_exit_dsr(dev, MDFLD_DSR_CURSOR_0);
break;
case 1:
pos = CURBPOS;
base = CURBBASE;
break;
case 2:
-#ifndef CONFIG_MDFLD_DSI_DPU
- if (!(dev_priv->dsr_fb_update & MDFLD_DSR_CURSOR_2))
- mdfld_dsi_dbi_exit_dsr (dev, MDFLD_DSR_CURSOR_2);
-#else /*CONFIG_MDFLD_DSI_DPU*/
- mdfld_dbi_dpu_report_damage(dev, MDFLD_CURSORC, &rect);
- mdfld_dpu_exit_dsr(dev);
-#endif
+ if (dpu_info) {
+ mdfld_dbi_dpu_report_damage(dev, MDFLD_CURSORC, &rect);
+ mdfld_dpu_exit_dsr(dev);
+ } else if (!(dev_priv->dsr_fb_update & MDFLD_DSR_CURSOR_2))
+ mdfld_dsi_dbi_exit_dsr(dev, MDFLD_DSR_CURSOR_2);
pos = CURCPOS;
base = CURCBASE;
break;
diff --git a/drivers/staging/gma500/mdfld_output.c b/drivers/staging/gma500/mdfld_output.c
index ffa2c1f..ee55f87 100644
--- a/drivers/staging/gma500/mdfld_output.c
+++ b/drivers/staging/gma500/mdfld_output.c
@@ -30,6 +30,7 @@
#include "mdfld_dsi_dpi.h"
#include "mdfld_dsi_output.h"
#include "mdfld_output.h"
+#include "mdfld_dsi_dbi_dpu.h"

#include "displays/tpo_cmd.h"
#include "displays/tpo_vid.h"
@@ -39,6 +40,17 @@
#include "displays/pyr_vid.h"
/* #include "displays/hdmi.h" */

+static int mdfld_dual_mipi;
+static int mdfld_hdmi;
+static int mdfld_dpu;
+
+module_param(mdfld_dual_mipi, int, 0600);
+MODULE_PARM_DESC(mdfld_dual_mipi, "Enable dual MIPI configuration");
+module_param(mdfld_hdmi, int, 0600);
+MODULE_PARM_DESC(mdfld_hdmi, "Enable Medfield HDMI");
+module_param(mdfld_dpu, int, 0600);
+MODULE_PARM_DESC(mdfld_dpu, "Enable Medfield DPU");
+
/* For now a single type per device is all we cope with */
int mdfld_get_panel_type(struct drm_device *dev, int pipe)
{
@@ -134,15 +146,25 @@ int mdfld_output_init(struct drm_device *dev)
dev_info(dev->dev, "panel 1: type is %d\n", type);
init_panel(dev, 0, type);

-#ifdef CONFIG_MDFD_DUAL_MIPI
- /* MIPI panel 2 */
- type = mdfld_get_panel_type(dev, 2);
- dev_info(dev->dev, "panel 2: type is %d\n", type);
- init_panel(dev, 2, type);
-#endif
-#ifdef CONFIG_MDFD_HDMI
- /* HDMI panel */
- init_panel(dev, 0, HDMI);
-#endif
+ if (mdfld_dual_mipi) {
+ /* MIPI panel 2 */
+ type = mdfld_get_panel_type(dev, 2);
+ dev_info(dev->dev, "panel 2: type is %d\n", type);
+ init_panel(dev, 2, type);
+ }
+ if (mdfld_hdmi)
+ /* HDMI panel */
+ init_panel(dev, 0, HDMI);
return 0;
}
+
+void mdfld_output_setup(struct drm_device *dev)
+{
+ /* FIXME: this is not the right place for this stuff ! */
+ if (IS_MFLD(dev)) {
+ if (mdfld_dpu)
+ mdfld_dbi_dpu_init(dev);
+ else
+ mdfld_dbi_dsr_init(dev);
+ }
+}
\ No newline at end of file
diff --git a/drivers/staging/gma500/mdfld_output.h b/drivers/staging/gma500/mdfld_output.h
index e747fdb..daf33e7 100644
--- a/drivers/staging/gma500/mdfld_output.h
+++ b/drivers/staging/gma500/mdfld_output.h
@@ -36,4 +36,6 @@ void mdfld_disable_crtc (struct drm_device *dev, int pipe);
extern const struct drm_crtc_helper_funcs mdfld_helper_funcs;
extern const struct drm_crtc_funcs mdfld_intel_crtc_funcs;

+extern void mdfld_output_setup(struct drm_device *dev);
+
#endif
diff --git a/drivers/staging/gma500/mdfld_pyr_cmd.c b/drivers/staging/gma500/mdfld_pyr_cmd.c
index 5f38e8d..523f2d8 100644
--- a/drivers/staging/gma500/mdfld_pyr_cmd.c
+++ b/drivers/staging/gma500/mdfld_pyr_cmd.c
@@ -29,7 +29,7 @@
#include "mdfld_dsi_dpi.h"
#include "mdfld_dsi_output.h"
#include "mdfld_output.h"
-
+#include "mdfld_dsi_dbi_dpu.h"
#include "mdfld_dsi_pkg_sender.h"

#include "displays/pyr_cmd.h"
@@ -374,16 +374,11 @@ static void pyr_dsi_dbi_commit(struct drm_encoder *encoder)

if (dbi_output->channel_num == 1) {
dev_priv->dsr_fb_update |= MDFLD_DSR_2D_3D_2;
-#ifdef CONFIG_MDFLD_DSI_DPU
/* If DPU enabled report a fullscreen damage */
mdfld_dbi_dpu_report_damage(dev, MDFLD_PLANEC, &rect);
-#endif
} else {
dev_priv->dsr_fb_update |= MDFLD_DSR_2D_3D_0;
-
-#ifdef CONFIG_MDFLD_DSI_DPU
mdfld_dbi_dpu_report_damage(dev, MDFLD_PLANEA, &rect);
-#endif
}
dbi_output->mode_flags |= MODE_SETTING_ENCODER_DONE;
}
diff --git a/drivers/staging/gma500/mdfld_tpo_cmd.c b/drivers/staging/gma500/mdfld_tpo_cmd.c
index 4cf7647..c7f7c9c 100644
--- a/drivers/staging/gma500/mdfld_tpo_cmd.c
+++ b/drivers/staging/gma500/mdfld_tpo_cmd.c
@@ -29,7 +29,7 @@
#include "mdfld_dsi_dpi.h"
#include "mdfld_dsi_output.h"
#include "mdfld_output.h"
-
+#include "mdfld_dsi_dbi_dpu.h"
#include "mdfld_dsi_pkg_sender.h"

#include "displays/tpo_cmd.h"
@@ -359,15 +359,11 @@ static void mdfld_dsi_dbi_commit(struct drm_encoder *encoder)

if (dbi_output->channel_num == 1) {
dev_priv->dsr_fb_update |= MDFLD_DSR_2D_3D_2;
-#ifdef CONFIG_MDFLD_DSI_DPU
/*if dpu enabled report a fullscreen damage*/
mdfld_dbi_dpu_report_damage(dev, MDFLD_PLANEC, &rect);
-#endif
} else {
dev_priv->dsr_fb_update |= MDFLD_DSR_2D_3D_0;
-#ifdef CONFIG_MDFLD_DSI_DPU
mdfld_dbi_dpu_report_damage(dev, MDFLD_PLANEA, &rect);
-#endif
}
dbi_output->mode_flags |= MODE_SETTING_ENCODER_DONE;
}
diff --git a/drivers/staging/gma500/psb_drv.c b/drivers/staging/gma500/psb_drv.c
index 4b740aa..b2cdce7 100644
--- a/drivers/staging/gma500/psb_drv.c
+++ b/drivers/staging/gma500/psb_drv.c
@@ -421,15 +421,7 @@ static int psb_driver_load(struct drm_device *dev, unsigned long chipset)

#if defined(CONFIG_DRM_PSB_MFLD)
/* FIXME: this is not the right place for this stuff ! */
- if (IS_MFLD(dev)) {
-#ifdef CONFIG_MDFLD_DSI_DPU
- /*init dpu info*/
- mdfld_dbi_dpu_init(dev);
-#else
- mdfld_dbi_dsr_init(dev);
-#endif /*CONFIG_MDFLD_DSI_DPU*/
- /* INIT_WORK(&dev_priv->te_work, mdfld_te_handler_work);*/
- }
+ mdfld_output_setup(dev);
#endif
if (drm_psb_no_fb == 0) {
psb_modeset_init(dev);
@@ -444,6 +436,7 @@ static int psb_driver_load(struct drm_device *dev, unsigned long chipset)

switch (psb_intel_output->type) {
case INTEL_OUTPUT_LVDS:
+ case INTEL_OUTPUT_MIPI:
ret = gma_backlight_init(dev);
break;
}
--
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