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Message-ID: <20241223081044.4139167-1-jammy_huang@aspeedtech.com>
Date: Mon, 23 Dec 2024 16:10:44 +0800
From: Jammy Huang <jammy_huang@...eedtech.com>
To: <tzimmermann@...e.de>, <jfalempe@...hat.com>,
<maarten.lankhorst@...ux.intel.com>, <mripard@...nel.org>,
<airlied@...hat.com>, <airlied@...il.com>, <daniel@...ll.ch>
CC: <dri-devel@...ts.freedesktop.org>, <linux-kernel@...r.kernel.org>
Subject: [PATCH] drm/ast: Support timings, 1280x720/1280x960/1600x900
In this patch, 3 new timings are added into support list.
If you want to have new timings, 1280x720 and 1280x960 on DisplayPort,
your dp-fw should be newer than version, 20240502.
Signed-off-by: Jammy Huang <jammy_huang@...eedtech.com>
---
drivers/gpu/drm/ast/ast_dp.c | 9 ++++++++-
drivers/gpu/drm/ast/ast_drv.h | 3 +++
drivers/gpu/drm/ast/ast_mode.c | 6 ++++++
drivers/gpu/drm/ast/ast_tables.h | 18 ++++++++++++++++++
4 files changed, 35 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/ast/ast_dp.c b/drivers/gpu/drm/ast/ast_dp.c
index 0e282b7b167c..0b56f0335871 100644
--- a/drivers/gpu/drm/ast/ast_dp.c
+++ b/drivers/gpu/drm/ast/ast_dp.c
@@ -255,6 +255,10 @@ static void ast_dp_set_mode(struct drm_crtc *crtc, struct ast_vbios_mode_info *v
case 1280:
if (crtc->mode.crtc_vdisplay == 800)
ModeIdx = (ASTDP_1280x800_60_RB - (u8) ulRefreshRateIndex);
+ else if (crtc->mode.crtc_vdisplay == 720)
+ ModeIdx = ASTDP_1280x720_60;
+ else if (crtc->mode.crtc_vdisplay == 960)
+ ModeIdx = ASTDP_1280x960_60;
else // 1024
ModeIdx = (ASTDP_1280x1024_60 + (u8) ulRefreshRateIndex);
break;
@@ -267,7 +271,10 @@ static void ast_dp_set_mode(struct drm_crtc *crtc, struct ast_vbios_mode_info *v
break;
case 1600:
if (crtc->mode.crtc_vdisplay == 900)
- ModeIdx = (ASTDP_1600x900_60_RB - (u8) ulRefreshRateIndex);
+ if (ulRefreshRateIndex == 2)
+ ModeIdx = ASTDP_1600x900_60_DMT;
+ else
+ ModeIdx = (ASTDP_1600x900_60_RB - (u8) ulRefreshRateIndex);
else //1200
ModeIdx = ASTDP_1600x1200_60;
break;
diff --git a/drivers/gpu/drm/ast/ast_drv.h b/drivers/gpu/drm/ast/ast_drv.h
index 21ce3769bf0d..e7cef334b3ec 100644
--- a/drivers/gpu/drm/ast/ast_drv.h
+++ b/drivers/gpu/drm/ast/ast_drv.h
@@ -442,6 +442,9 @@ int ast_mode_config_init(struct ast_device *ast);
#define ASTDP_1600x900_60_RB 0x1D
#define ASTDP_1366x768_60 0x1E
#define ASTDP_1152x864_75 0x1F
+#define ASTDP_1600x900_60_DMT 0x51
+#define ASTDP_1280x720_60 0x52
+#define ASTDP_1280x960_60 0x53
int ast_mm_init(struct ast_device *ast);
diff --git a/drivers/gpu/drm/ast/ast_mode.c b/drivers/gpu/drm/ast/ast_mode.c
index 9d5321c81e68..5d02f27e79b7 100644
--- a/drivers/gpu/drm/ast/ast_mode.c
+++ b/drivers/gpu/drm/ast/ast_mode.c
@@ -475,6 +475,12 @@ static void ast_set_dclk_reg(struct ast_device *ast,
ast_set_index_reg_mask(ast, AST_IO_VGACRI, 0xbb, 0x0f,
(clk_info->param3 & 0xc0) |
((clk_info->param3 & 0x3) << 4));
+
+ /* Set SEQ; Half dclk for this timing */
+ if (vbios_mode->enh_table->flags & HalfDCLK)
+ ast_set_index_reg_mask(ast, AST_IO_SEQ_PORT, 0x01, 0xff, 0x08);
+ else
+ ast_set_index_reg_mask(ast, AST_IO_SEQ_PORT, 0x01, 0xf7, 0x00);
}
static void ast_set_color_reg(struct ast_device *ast,
diff --git a/drivers/gpu/drm/ast/ast_tables.h b/drivers/gpu/drm/ast/ast_tables.h
index 0378c9bc079b..329d6bac867b 100644
--- a/drivers/gpu/drm/ast/ast_tables.h
+++ b/drivers/gpu/drm/ast/ast_tables.h
@@ -254,6 +254,13 @@ static const struct ast_vbios_enhtable res_1024x768[] = {
(SyncPP | Charx8Dot), 0xFF, 4, 0x31 },
};
+static const struct ast_vbios_enhtable res_1280x960[] = {
+ {1800, 1280, 96, 112, 1000, 960, 1, 3, VCLK108, /* 60Hz */
+ (SyncPP | Charx8Dot), 60, 1, 0x3E },
+ {1800, 1280, 96, 112, 1000, 960, 1, 3, VCLK108, /* end */
+ (SyncPP | Charx8Dot), 0xFF, 1, 0x3E },
+};
+
static const struct ast_vbios_enhtable res_1280x1024[] = {
{1688, 1280, 48, 112, 1066, 1024, 1, 3, VCLK108, /* 60Hz */
(SyncPP | Charx8Dot), 60, 1, 0x32 },
@@ -280,6 +287,15 @@ static const struct ast_vbios_enhtable res_1152x864[] = {
};
/* 16:9 */
+static const struct ast_vbios_enhtable res_1280x720[] = {
+ {1650, 1280, 110, 40, 750, 720, 5, 5, VCLK148_5, /* 60Hz */
+ (SyncPP | Charx8Dot | LineCompareOff | WideScreenMode | NewModeInfo |
+ HalfDCLK), 60, 1, 0x3D },
+ {1650, 1280, 110, 40, 750, 720, 5, 5, VCLK148_5, /* end */
+ (SyncPP | Charx8Dot | LineCompareOff | WideScreenMode | NewModeInfo |
+ HalfDCLK), 0xFF, 1, 0x3D },
+};
+
static const struct ast_vbios_enhtable res_1360x768[] = {
{1792, 1360, 64, 112, 795, 768, 3, 6, VCLK85_5, /* 60Hz */
(SyncPP | Charx8Dot | LineCompareOff | WideScreenMode | NewModeInfo), 60, 1, 0x39 },
@@ -294,6 +310,8 @@ static const struct ast_vbios_enhtable res_1600x900[] = {
AST2500PreCatchCRT), 60, 1, 0x3A },
{2112, 1600, 88, 168, 934, 900, 3, 5, VCLK118_25, /* 60Hz CVT */
(SyncPN | Charx8Dot | LineCompareOff | WideScreenMode | NewModeInfo), 60, 2, 0x3A },
+ {1800, 1600, 24, 80, 1000, 900, 1, 3, VCLK108, /* 60Hz DMT */
+ (SyncPP | Charx8Dot | LineCompareOff | WideScreenMode | NewModeInfo), 60, 3, 0x3A },
{2112, 1600, 88, 168, 934, 900, 3, 5, VCLK118_25, /* 60Hz CVT */
(SyncPN | Charx8Dot | LineCompareOff | WideScreenMode | NewModeInfo), 0xFF, 2, 0x3A },
};
base-commit: 4bbf9020becbfd8fc2c3da790855b7042fad455b
--
2.25.1
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