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authorDave Airlie <airlied@redhat.com>2022-11-08 09:32:31 +0300
committerDave Airlie <airlied@redhat.com>2022-11-08 09:32:31 +0300
commit49e8e6343df688d68b12c2af50791ca37520f0b7 (patch)
tree44b193d9161a2fa071e7b1ecb96014e8e73a240a /drivers/gpu/drm/drm_edid.c
parent60ba8c5bd94e17ab4b024f5cecf8b48e2cf36412 (diff)
parentfcf00f8d29f2fc6bf00531a1447be28b99073cc3 (diff)
downloadlinux-49e8e6343df688d68b12c2af50791ca37520f0b7.tar.xz
Merge tag 'amd-drm-next-6.2-2022-11-04' of https://gitlab.freedesktop.org/agd5f/linux into drm-next
amd-drm-next-6.2-2022-11-04: amdgpu: - Add TMZ support for GC 11.0.1 - More IP version check conversions - Mode2 reset fixes for sienna cichlid - SMU 13.x fixes - RAS enablement on MP 13.x - Replace kmap with kmap_local_page() - Misc Clang warning fixes - SR-IOV fixes for GC 11.x - PCI AER fix - DCN 3.2.x commit sequence rework - SDMA 4.x doorbell fix - Expose additional new GC 11.x firmware versions - Misc code cleanups - S0i3 fixes - More DC FPU cleanup - Add more DC kerneldoc - Misc spelling and grammer fixes - DCN 3.1.x fixes - Plane modifier fix - MCA RAS enablement - Secure display locking fix - RAS TA rework - RAS EEPROM fixes - Fail suspend if eviction fails - Drop AMD specific DSC workarounds in favor of drm EDID quirks - SR-IOV suspend/resume fixes - Enable DCN support for ARM - Enable secure display on DCN 2.1 amdkfd: - Cache size fixes for GC 10.3.x - kfd_dev struct cleanup - GC11.x CWSR trap handler fix - Userptr fixes - Warning fixes radeon: - Replace kmap with kmap_local_page() UAPI: - Expose additional new GC 11.x firmware versions via the existing INFO query drm: - Add some new EDID DSC quirks Signed-off-by: Dave Airlie <airlied@redhat.com> # Conflicts: # drivers/gpu/drm/amd/amdgpu/amdgpu_vkms.c From: Alex Deucher <alexander.deucher@amd.com> Link: https://patchwork.freedesktop.org/patch/msgid/20221104205827.6008-1-alexander.deucher@amd.com
Diffstat (limited to 'drivers/gpu/drm/drm_edid.c')
-rw-r--r--drivers/gpu/drm/drm_edid.c12
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/gpu/drm/drm_edid.c b/drivers/gpu/drm/drm_edid.c
index b2d61c05f559..4671dc23abe0 100644
--- a/drivers/gpu/drm/drm_edid.c
+++ b/drivers/gpu/drm/drm_edid.c
@@ -87,6 +87,8 @@ static int oui(u8 first, u8 second, u8 third)
#define EDID_QUIRK_FORCE_10BPC (1 << 11)
/* Non desktop display (i.e. HMD) */
#define EDID_QUIRK_NON_DESKTOP (1 << 12)
+/* Cap the DSC target bitrate to 15bpp */
+#define EDID_QUIRK_CAP_DSC_15BPP (1 << 13)
#define MICROSOFT_IEEE_OUI 0xca125c
@@ -147,6 +149,12 @@ static const struct edid_quirk {
EDID_QUIRK('F', 'C', 'M', 13600, EDID_QUIRK_PREFER_LARGE_75 |
EDID_QUIRK_DETAILED_IN_CM),
+ /* LG 27GP950 */
+ EDID_QUIRK('G', 'S', 'M', 0x5bbf, EDID_QUIRK_CAP_DSC_15BPP),
+
+ /* LG 27GN950 */
+ EDID_QUIRK('G', 'S', 'M', 0x5b9a, EDID_QUIRK_CAP_DSC_15BPP),
+
/* LGD panel of HP zBook 17 G2, eDP 10 bpc, but reports unknown bpc */
EDID_QUIRK('L', 'G', 'D', 764, EDID_QUIRK_FORCE_10BPC),
@@ -6363,6 +6371,7 @@ static void drm_reset_display_info(struct drm_connector *connector)
info->mso_stream_count = 0;
info->mso_pixel_overlap = 0;
+ info->max_dsc_bpp = 0;
}
static u32 update_display_info(struct drm_connector *connector,
@@ -6452,6 +6461,9 @@ out:
info->non_desktop = true;
}
+ if (quirks & EDID_QUIRK_CAP_DSC_15BPP)
+ info->max_dsc_bpp = 15;
+
return quirks;
}