Files
build/patch/kernel/archive/rockchip64-6.6/general-add-hdmi-mks-ips50-resolutions.patch
Maxim Medvedev e47fbe6bf2 mkspi: add 800x480 HDMI modes
MKS IPS50 screen
2024-12-13 09:41:27 +01:00

103 lines
4.3 KiB
Diff

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Maxim Medvedev <redrathnure@gmail.com>
Date: Mon, 1 Jan 2024 21:50:10 +0000
Subject: HDMI EDID records for 800x480 resolution (a MKS IPS50 screen and similar)
---
drivers/gpu/drm/drm_edid.c | 12 +++++++++-
drivers/phy/rockchip/phy-rockchip-inno-hdmi.c | 1 +
drivers/video/hdmi.c | 2 ++
include/linux/hdmi.h | 1 +
4 files changed, 15 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/drm_edid.c b/drivers/gpu/drm/drm_edid.c
index a491280ca48c..6d74e4b62dcf 100644
--- a/drivers/gpu/drm/drm_edid.c
+++ b/drivers/gpu/drm/drm_edid.c
@@ -1536,10 +1536,20 @@ static const struct drm_display_mode edid_cea_modes_193[] = {
/* 219 - 4096x2160@120Hz 256:135 */
{ DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 1188000, 4096, 4184,
4272, 4400, 0, 2160, 2168, 2178, 2250, 0,
DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
.picture_aspect_ratio = HDMI_PICTURE_ASPECT_256_135, },
+ /* 220 - 800x480@60Hz 5:3 */
+ { DRM_MODE("800x480", DRM_MODE_TYPE_DRIVER, 30240, 800, 850,
+ 920, 960, 0, 480, 510, 513, 525, 0,
+ DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
+ .picture_aspect_ratio = HDMI_PICTURE_ASPECT_5_3, },
+ /* 221 - 800x480@60Hz 5:3, MKS IPS50 */
+ { DRM_MODE("800x480", DRM_MODE_TYPE_DRIVER, 30240, 800, 850,
+ 950, 960, 0, 480, 510, 513, 525, 0,
+ DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
+ .picture_aspect_ratio = HDMI_PICTURE_ASPECT_5_3, },
};
/*
* HDMI 1.4 4k modes. Index using the VIC.
*/
@@ -4167,11 +4177,11 @@ static bool drm_edid_has_cta_extension(const struct drm_edid *drm_edid)
}
static __always_inline const struct drm_display_mode *cea_mode_for_vic(u8 vic)
{
BUILD_BUG_ON(1 + ARRAY_SIZE(edid_cea_modes_1) - 1 != 127);
- BUILD_BUG_ON(193 + ARRAY_SIZE(edid_cea_modes_193) - 1 != 219);
+ BUILD_BUG_ON(193 + ARRAY_SIZE(edid_cea_modes_193) - 1 != 221);
if (vic >= 1 && vic < 1 + ARRAY_SIZE(edid_cea_modes_1))
return &edid_cea_modes_1[vic - 1];
if (vic >= 193 && vic < 193 + ARRAY_SIZE(edid_cea_modes_193))
return &edid_cea_modes_193[vic - 193];
diff --git a/drivers/phy/rockchip/phy-rockchip-inno-hdmi.c b/drivers/phy/rockchip/phy-rockchip-inno-hdmi.c
index db774d97918f..375fbc8a8747 100644
--- a/drivers/phy/rockchip/phy-rockchip-inno-hdmi.c
+++ b/drivers/phy/rockchip/phy-rockchip-inno-hdmi.c
@@ -293,10 +293,11 @@ struct inno_hdmi_phy_drv_data {
static const struct pre_pll_config pre_pll_cfg_table[] = {
{ 25175000, 25175000, 3, 125, 3, 1, 1, 1, 3, 3, 4, 0, 0xe00000},
{ 25175000, 31468750, 1, 41, 0, 3, 3, 1, 3, 3, 4, 0, 0xf5554f},
{ 27000000, 27000000, 1, 36, 0, 3, 3, 1, 2, 3, 4, 0, 0x0},
{ 27000000, 33750000, 1, 45, 0, 3, 3, 1, 3, 3, 4, 0, 0x0},
+ { 30240000, 30240000, 5, 504, 3, 2, 2, 20, 4, 2, 2, 0, 0x0}, // Non standard screens like MKS IPS50
{ 31500000, 31500000, 1, 42, 0, 3, 3, 1, 2, 3, 4, 0, 0x0},
{ 31500000, 39375000, 1, 105, 1, 3, 3, 10, 0, 3, 4, 0, 0x0},
{ 33750000, 33750000, 1, 45, 0, 3, 3, 1, 2, 3, 4, 0, 0x0},
{ 33750000, 42187500, 1, 169, 2, 3, 3, 15, 0, 3, 4, 0, 0x0},
{ 35500000, 35500000, 1, 71, 2, 2, 2, 6, 0, 3, 4, 0, 0x0},
diff --git a/drivers/video/hdmi.c b/drivers/video/hdmi.c
index 03c7f27dde49..8d68d34ce023 100644
--- a/drivers/video/hdmi.c
+++ b/drivers/video/hdmi.c
@@ -1113,10 +1113,12 @@ hdmi_picture_aspect_get_name(enum hdmi_picture_aspect picture_aspect)
return "16:9";
case HDMI_PICTURE_ASPECT_64_27:
return "64:27";
case HDMI_PICTURE_ASPECT_256_135:
return "256:135";
+ case HDMI_PICTURE_ASPECT_5_3:
+ return "5:3";
case HDMI_PICTURE_ASPECT_RESERVED:
return "Reserved";
}
return "Invalid";
}
diff --git a/include/linux/hdmi.h b/include/linux/hdmi.h
index 3bb87bf6bc65..be61a7954847 100644
--- a/include/linux/hdmi.h
+++ b/include/linux/hdmi.h
@@ -97,10 +97,11 @@ enum hdmi_picture_aspect {
HDMI_PICTURE_ASPECT_NONE,
HDMI_PICTURE_ASPECT_4_3,
HDMI_PICTURE_ASPECT_16_9,
HDMI_PICTURE_ASPECT_64_27,
HDMI_PICTURE_ASPECT_256_135,
+ HDMI_PICTURE_ASPECT_5_3,
HDMI_PICTURE_ASPECT_RESERVED,
};
enum hdmi_active_aspect {
HDMI_ACTIVE_ASPECT_16_9_TOP = 2,
--
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