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Subject[PATCH 7/9] drm: meson: global clean-up
Date
This patch aims to:
- Add general and TODO comments
- Respect coding style for multi-line comments
- Align macro definitions
- Remove useless macro

Signed-off-by: Julien Masson <jmasson@baylibre.com>
---
drivers/gpu/drm/meson/meson_dw_hdmi.c | 2 ++
drivers/gpu/drm/meson/meson_dw_hdmi.h | 12 ++++++----
drivers/gpu/drm/meson/meson_registers.h | 31 +++++++++++--------------
drivers/gpu/drm/meson/meson_vclk.c | 4 +++-
drivers/gpu/drm/meson/meson_venc.c | 10 ++++----
5 files changed, 33 insertions(+), 26 deletions(-)

diff --git a/drivers/gpu/drm/meson/meson_dw_hdmi.c b/drivers/gpu/drm/meson/meson_dw_hdmi.c
index df3f9ddd2234..1579ff76c1ed 100644
--- a/drivers/gpu/drm/meson/meson_dw_hdmi.c
+++ b/drivers/gpu/drm/meson/meson_dw_hdmi.c
@@ -428,6 +428,8 @@ static int dw_hdmi_phy_init(struct dw_hdmi *hdmi, void *data,
/* Enable internal pixclk, tmds_clk, spdif_clk, i2s_clk, cecclk */
dw_hdmi_top_write_bits(dw_hdmi, HDMITX_TOP_CLK_CNTL,
0x3, 0x3);
+
+ /* Enable cec_clk and hdcp22_tmdsclk_en */
dw_hdmi_top_write_bits(dw_hdmi, HDMITX_TOP_CLK_CNTL,
0x3 << 4, 0x3 << 4);

diff --git a/drivers/gpu/drm/meson/meson_dw_hdmi.h b/drivers/gpu/drm/meson/meson_dw_hdmi.h
index 1b2ef043eb5c..08e1c14e4ea0 100644
--- a/drivers/gpu/drm/meson/meson_dw_hdmi.h
+++ b/drivers/gpu/drm/meson/meson_dw_hdmi.h
@@ -100,7 +100,8 @@
#define HDMITX_TOP_INTR_RXSENSE_RISE BIT(6)
#define HDMITX_TOP_INTR_RXSENSE_FALL BIT(7)

-/* Bit 14:12 RW tmds_sel: 3'b000=Output zero; 3'b001=Output normal TMDS data;
+/*
+ * Bit 14:12 RW tmds_sel: 3'b000=Output zero; 3'b001=Output normal TMDS data;
* 3'b010=Output PRBS data; 3'b100=Output shift pattern. Default 0.
* Bit 11: 9 RW shift_pttn_repeat: 0=New pattern every clk cycle; 1=New pattern
* every 2 clk cycles; ...; 7=New pattern every 8 clk cycles. Default 0.
@@ -135,7 +136,8 @@
/* Bit 9: 0 RW tmds_clk_pttn[29:20]. Default 0. */
#define HDMITX_TOP_TMDS_CLK_PTTN_23 (0x00B)

-/* Bit 1 RW shift_tmds_clk_pttn:1=Enable shifting clk pattern,
+/*
+ * Bit 1 RW shift_tmds_clk_pttn:1=Enable shifting clk pattern,
* used when TMDS CLK rate = TMDS character rate /4. Default 0.
* Bit 0 R Reserved. Default 0.
* [ 1] shift_tmds_clk_pttn
@@ -143,12 +145,14 @@
*/
#define HDMITX_TOP_TMDS_CLK_PTTN_CNTL (0x00C)

-/* Bit 0 RW revocmem_wr_fail: Read back 1 to indicate Host write REVOC MEM
+/*
+ * Bit 0 RW revocmem_wr_fail: Read back 1 to indicate Host write REVOC MEM
* failure, write 1 to clear the failure flag. Default 0.
*/
#define HDMITX_TOP_REVOCMEM_STAT (0x00D)

-/* Bit 1 R filtered RxSense status
+/*
+ * Bit 1 R filtered RxSense status
* Bit 0 R filtered HPD status.
*/
#define HDMITX_TOP_STAT0 (0x00E)
diff --git a/drivers/gpu/drm/meson/meson_registers.h b/drivers/gpu/drm/meson/meson_registers.h
index 537a779492bd..3581fb3d9727 100644
--- a/drivers/gpu/drm/meson/meson_registers.h
+++ b/drivers/gpu/drm/meson/meson_registers.h
@@ -406,19 +406,19 @@
#define VPP_PREBLEND_CURRENT_XY 0x1d24
#define VPP_POSTBLEND_CURRENT_XY 0x1d25
#define VPP_MISC 0x1d26
-#define VPP_PREBLEND_ENABLE BIT(6)
-#define VPP_POSTBLEND_ENABLE BIT(7)
-#define VPP_OSD2_ALPHA_PREMULT BIT(8)
-#define VPP_OSD1_ALPHA_PREMULT BIT(9)
-#define VPP_VD1_POSTBLEND BIT(10)
-#define VPP_VD2_POSTBLEND BIT(11)
-#define VPP_OSD1_POSTBLEND BIT(12)
-#define VPP_OSD2_POSTBLEND BIT(13)
-#define VPP_VD1_PREBLEND BIT(14)
-#define VPP_VD2_PREBLEND BIT(15)
-#define VPP_OSD1_PREBLEND BIT(16)
-#define VPP_OSD2_PREBLEND BIT(17)
-#define VPP_COLOR_MNG_ENABLE BIT(28)
+#define VPP_PREBLEND_ENABLE BIT(6)
+#define VPP_POSTBLEND_ENABLE BIT(7)
+#define VPP_OSD2_ALPHA_PREMULT BIT(8)
+#define VPP_OSD1_ALPHA_PREMULT BIT(9)
+#define VPP_VD1_POSTBLEND BIT(10)
+#define VPP_VD2_POSTBLEND BIT(11)
+#define VPP_OSD1_POSTBLEND BIT(12)
+#define VPP_OSD2_POSTBLEND BIT(13)
+#define VPP_VD1_PREBLEND BIT(14)
+#define VPP_VD2_PREBLEND BIT(15)
+#define VPP_OSD1_PREBLEND BIT(16)
+#define VPP_OSD2_PREBLEND BIT(17)
+#define VPP_COLOR_MNG_ENABLE BIT(28)
#define VPP_OFIFO_SIZE 0x1d27
#define VPP_OFIFO_SIZE_MASK GENMASK(13, 0)
#define VPP_OFIFO_SIZE_DEFAULT (0xfff << 20 | 0x1000)
@@ -629,6 +629,7 @@
#define OSD34_SCI_WH_M1 0x3d29
#define OSD34_SCO_H_START_END 0x3d2a
#define OSD34_SCO_V_START_END 0x3d2b
+
/* viu2 */
#define VIU2_ADDR_START 0x1e00
#define VIU2_ADDR_END 0x1eff
@@ -1611,7 +1612,6 @@
#define OSD1_AFBCD_STATUS 0x31a8
#define OSD1_AFBCD_PIXEL_HSCOPE 0x31a9
#define OSD1_AFBCD_PIXEL_VSCOPE 0x31aa
-#define VIU_MISC_CTRL1 0x1a07

/* add for gxm and 962e dv core2 */
#define DOLBY_CORE2A_SWAP_CTRL1 0x3434
@@ -1626,8 +1626,6 @@
#define VPU_MAFBC_COMMAND 0x3a05
#define VPU_MAFBC_STATUS 0x3a06
#define VPU_MAFBC_SURFACE_CFG 0x3a07
-
-/* osd afbc on g12a */
#define VPU_MAFBC_HEADER_BUF_ADDR_LOW_S0 0x3a10
#define VPU_MAFBC_HEADER_BUF_ADDR_HIGH_S0 0x3a11
#define VPU_MAFBC_FORMAT_SPECIFIER_S0 0x3a12
@@ -1748,6 +1746,5 @@
#define VPP_POST_BLEND_DUMMY_ALPHA 0x3969
#define VPP_RDARB_MODE 0x3978
#define VPP_RDARB_REQEN_SLV 0x3979
-#define VPU_RDARB_MODE_L2C1 0x279d

#endif /* __MESON_REGISTERS_H */
diff --git a/drivers/gpu/drm/meson/meson_vclk.c b/drivers/gpu/drm/meson/meson_vclk.c
index 26732f038d19..e7c2b439d0f7 100644
--- a/drivers/gpu/drm/meson/meson_vclk.c
+++ b/drivers/gpu/drm/meson/meson_vclk.c
@@ -495,6 +495,7 @@ void meson_hdmi_pll_set_params(struct meson_drm *priv, unsigned int m,
regmap_write(priv->hhi, HHI_HDMI_PLL_CNTL, 0x0b3a0400 | m);

/* Enable and reset */
+ /* TODO: add specific macro for g12a here */
regmap_update_bits(priv->hhi, HHI_HDMI_PLL_CNTL,
0x3 << 28, 0x3 << 28);

@@ -969,7 +970,8 @@ void meson_vclk_setup(struct meson_drm *priv, unsigned int target,
meson_venci_cvbs_clock_config(priv);
return;
} else if (target == MESON_VCLK_TARGET_DMT) {
- /* The DMT clock path is fixed after the PLL:
+ /*
+ * The DMT clock path is fixed after the PLL:
* - automatic PLL freq + OD management
* - vid_pll_div = VID_PLL_DIV_5
* - vclk_div = 2
diff --git a/drivers/gpu/drm/meson/meson_venc.c b/drivers/gpu/drm/meson/meson_venc.c
index 918df02d2aef..2835133ab676 100644
--- a/drivers/gpu/drm/meson/meson_venc.c
+++ b/drivers/gpu/drm/meson/meson_venc.c
@@ -61,9 +61,9 @@
/* HHI Registers */
#define HHI_GCLK_MPEG2 0x148 /* 0x52 offset in data sheet */
#define HHI_VDAC_CNTL0 0x2F4 /* 0xbd offset in data sheet */
-#define HHI_VDAC_CNTL0_G12A 0x2EC /* 0xbd offset in data sheet */
+#define HHI_VDAC_CNTL0_G12A 0x2EC /* 0xbb offset in data sheet */
#define HHI_VDAC_CNTL1 0x2F8 /* 0xbe offset in data sheet */
-#define HHI_VDAC_CNTL1_G12A 0x2F0 /* 0xbe offset in data sheet */
+#define HHI_VDAC_CNTL1_G12A 0x2F0 /* 0xbc offset in data sheet */
#define HHI_HDMI_PHY_CNTL0 0x3a0 /* 0xe8 offset in data sheet */

struct meson_cvbs_enci_mode meson_cvbs_enci_pal = {
@@ -1085,7 +1085,8 @@ void meson_venc_hdmi_mode_set(struct meson_drm *priv, int vic,
writel_relaxed(vmode->enci.video_mode,
priv->io_base + _REG(ENCI_VIDEO_MODE));

- /* Advanced Video Mode :
+ /*
+ * Advanced Video Mode :
* Demux shifting 0x2
* Blank line end at line17/22
* High bandwidth Luma Filter
@@ -1599,7 +1600,8 @@ void meson_venci_cvbs_mode_set(struct meson_drm *priv,
writel_relaxed(mode->video_mode,
priv->io_base + _REG(ENCI_VIDEO_MODE));

- /* Advanced Video Mode :
+ /*
+ * Advanced Video Mode :
* Demux shifting 0x2
* Blank line end at line17/22
* High bandwidth Luma Filter
--
2.17.1
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