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Subject[PATCH 27/29] gma500: enable Medfield CRTC support
Date
From: Alan Cox <alan@linux.intel.com>

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

drivers/staging/gma500/mdfld_intel_display.c | 33 ++++++++++++++++++++++++--
drivers/staging/gma500/mdfld_output.h | 3 ++
drivers/staging/gma500/mrst_bios.c | 2 +-
drivers/staging/gma500/psb_intel_display.c | 9 +++----
4 files changed, 38 insertions(+), 9 deletions(-)


diff --git a/drivers/staging/gma500/mdfld_intel_display.c b/drivers/staging/gma500/mdfld_intel_display.c
index 26d7f80..0b619b6 100644
--- a/drivers/staging/gma500/mdfld_intel_display.c
+++ b/drivers/staging/gma500/mdfld_intel_display.c
@@ -44,7 +44,6 @@
/* Hardcoded currently */
static int ksel = KSEL_CRYSTAL_19;

-extern struct drm_device *gpDrmDevice;
extern void mdfld_save_display(struct drm_device *dev);
extern bool gbgfxsuspended;

@@ -561,10 +560,10 @@ static void mdfld_crtc_dpms(struct drm_crtc *crtc, int mode)
return;

/* Ignore if system is already in DSR and in suspended state. */
- if(gbgfxsuspended && dev_priv->dispstatus == false && mode == 3){
+ if(/*gbgfxsuspended */0 && dev_priv->dispstatus == false && mode == 3){
if(dev_priv->rpm_enabled && pipe == 1){
// dev_priv->is_mipi_on = false;
- pm_request_idle(&gpDrmDevice->pdev->dev);
+ pm_request_idle(&dev->pdev->dev);
}
return;
}else if(mode == 0) {
@@ -1386,3 +1385,31 @@ mrst_crtc_mode_set_exit:

return 0;
}
+
+static void mdfld_crtc_prepare(struct drm_crtc *crtc)
+{
+ struct drm_crtc_helper_funcs *crtc_funcs = crtc->helper_private;
+ crtc_funcs->dpms(crtc, DRM_MODE_DPMS_OFF);
+}
+
+static void mdfld_crtc_commit(struct drm_crtc *crtc)
+{
+ struct drm_crtc_helper_funcs *crtc_funcs = crtc->helper_private;
+ crtc_funcs->dpms(crtc, DRM_MODE_DPMS_ON);
+}
+
+static bool mdfld_crtc_mode_fixup(struct drm_crtc *crtc,
+ struct drm_display_mode *mode,
+ struct drm_display_mode *adjusted_mode)
+{
+ return true;
+}
+
+const struct drm_crtc_helper_funcs mdfld_helper_funcs = {
+ .dpms = mdfld_crtc_dpms,
+ .mode_fixup = mdfld_crtc_mode_fixup,
+ .mode_set = mdfld_crtc_mode_set,
+ .mode_set_base = mdfld__intel_pipe_set_base,
+ .prepare = mdfld_crtc_prepare,
+ .commit = mdfld_crtc_commit,
+};
diff --git a/drivers/staging/gma500/mdfld_output.h b/drivers/staging/gma500/mdfld_output.h
index 53b57db..70f2302a 100644
--- a/drivers/staging/gma500/mdfld_output.h
+++ b/drivers/staging/gma500/mdfld_output.h
@@ -74,4 +74,7 @@ int mdfld_panel_dpi(struct drm_device *dev);
int mdfld_get_panel_type(struct drm_device *dev, int pipe);
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;
+
#endif
diff --git a/drivers/staging/gma500/mrst_bios.c b/drivers/staging/gma500/mrst_bios.c
index a90fe92..c3707f4 100644
--- a/drivers/staging/gma500/mrst_bios.c
+++ b/drivers/staging/gma500/mrst_bios.c
@@ -237,7 +237,7 @@ void mrst_get_vbt_data(struct drm_psb_private *dev_priv)
dev_err(dev->dev, "Unknown revision of GCT!\n");
vbt->size = 0;
}
- if (IS_MDFLD(dev_priv->dev)){
+ if (IS_MFLD(dev_priv->dev)){
if (panel_id == GCT_DETECT) {
if (dev_priv->gct_data.bpi == 2) {
dev_info(dev->dev, "[GFX] PYR Panel Detected\n");
diff --git a/drivers/staging/gma500/psb_intel_display.c b/drivers/staging/gma500/psb_intel_display.c
index ac0d9da..907c68e 100644
--- a/drivers/staging/gma500/psb_intel_display.c
+++ b/drivers/staging/gma500/psb_intel_display.c
@@ -29,6 +29,7 @@
#include "psb_intel_display.h"
#include "psb_powermgmt.h"

+#include "mdfld_output.h"

struct psb_intel_clock_t {
/* given values */
@@ -1303,12 +1304,10 @@ void psb_intel_crtc_init(struct drm_device *dev, int pipe,
return;
}

-#if 0 /* FIXME */
if (IS_MFLD(dev))
drm_crtc_init(dev, &psb_intel_crtc->base,
- &mfld_intel_crtc_funcs);
+ &mdfld_intel_crtc_funcs);
else
-#endif
drm_crtc_init(dev, &psb_intel_crtc->base,
&psb_intel_crtc_funcs);

@@ -1336,9 +1335,9 @@ void psb_intel_crtc_init(struct drm_device *dev, int pipe,
if (IS_MRST(dev))
drm_crtc_helper_add(&psb_intel_crtc->base,
&mrst_helper_funcs);
-/* else if (IS_MDFLD(dev))
+ else if (IS_MFLD(dev))
drm_crtc_helper_add(&psb_intel_crtc->base,
- &mfld_helper_funcs); */
+ &mdfld_helper_funcs);
else
drm_crtc_helper_add(&psb_intel_crtc->base,
&psb_intel_helper_funcs);


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