6.5-stable review patch. If anyone has any objections, please let me know.
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From: Hamza Mahfooz hamza.mahfooz@amd.com
commit 88630e91f12677848c0c4a5790ec0d691f8859fa upstream.
The BenQ GW2765 reports that it supports higher (> 8) bpc modes, but when trying to set them we end up with a black screen. So, limit it to 8 bpc modes.
Cc: stable@vger.kernel.org # 6.5+ Link: https://gitlab.freedesktop.org/drm/amd/-/issues/2610 Reviewed-by: Harry Wentland harry.wentland@amd.com Signed-off-by: Hamza Mahfooz hamza.mahfooz@amd.com Link: https://patchwork.freedesktop.org/patch/msgid/20231012184927.133137-1-hamza.... Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- drivers/gpu/drm/drm_edid.c | 3 +++ 1 file changed, 3 insertions(+)
diff --git a/drivers/gpu/drm/drm_edid.c b/drivers/gpu/drm/drm_edid.c index 340da8257b51..4b71040ae5be 100644 --- a/drivers/gpu/drm/drm_edid.c +++ b/drivers/gpu/drm/drm_edid.c @@ -123,6 +123,9 @@ static const struct edid_quirk { /* AEO model 0 reports 8 bpc, but is a 6 bpc panel */ EDID_QUIRK('A', 'E', 'O', 0, EDID_QUIRK_FORCE_6BPC),
+ /* BenQ GW2765 */ + EDID_QUIRK('B', 'N', 'Q', 0x78d6, EDID_QUIRK_FORCE_8BPC), + /* BOE model on HP Pavilion 15-n233sl reports 8 bpc, but is a 6 bpc panel */ EDID_QUIRK('B', 'O', 'E', 0x78b, EDID_QUIRK_FORCE_6BPC),