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| author | Aaron Ma <aaron.ma@canonical.com> | 2020-10-09 11:57:50 +0300 |
|---|---|---|
| committer | Lyude Paul <lyude@redhat.com> | 2020-10-13 02:37:16 +0300 |
| commit | 055f8458d95a38c20e8360634255f684378179eb (patch) | |
| tree | 4fc3d50d47eaf832a01463f302591c45c2c77223 | |
| parent | 98e497e203a58b6419e20a8f820c8fd8c50e8da7 (diff) | |
| download | linux-055f8458d95a38c20e8360634255f684378179eb.tar.xz | |
drm/i915: Force DPCD backlight mode for BOE 2270 panel
BOE 2270 panel failed to control backlight brightness.
Add it in edid quirks to force using DPCD backlight control.
Then the brightness can be controlled.
Signed-off-by: Aaron Ma <aaron.ma@canonical.com>
Signed-off-by: Lyude Paul <lyude@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20201009085750.88490-2-aaron.ma@canonical.com
| -rw-r--r-- | drivers/gpu/drm/drm_dp_helper.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/gpu/drm/drm_dp_helper.c b/drivers/gpu/drm/drm_dp_helper.c index 79732402336d..14ddf28ecac0 100644 --- a/drivers/gpu/drm/drm_dp_helper.c +++ b/drivers/gpu/drm/drm_dp_helper.c @@ -1954,6 +1954,7 @@ static const struct edid_quirk edid_quirk_list[] = { { MFG(0x4d, 0x10), PROD_ID(0xc7, 0x14), BIT(DP_QUIRK_FORCE_DPCD_BACKLIGHT) }, { MFG(0x4d, 0x10), PROD_ID(0xe6, 0x14), BIT(DP_QUIRK_FORCE_DPCD_BACKLIGHT) }, { MFG(0x4c, 0x83), PROD_ID(0x47, 0x41), BIT(DP_QUIRK_FORCE_DPCD_BACKLIGHT) }, + { MFG(0x09, 0xe5), PROD_ID(0xde, 0x08), BIT(DP_QUIRK_FORCE_DPCD_BACKLIGHT) }, }; #undef MFG |