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* [PATCH] Lenovo X13 Yoga OLED panel brightness fix
@ 2020-05-18  0:06 Mark Pearson
  2020-05-18 22:43 ` Lyude Paul
  0 siblings, 1 reply; 5+ messages in thread
From: Mark Pearson @ 2020-05-18  0:06 UTC (permalink / raw)
  To: dri-devel

Hi,

Patch to fix an issue controlling the brightness of the OLED panel on the Lenovo X13 Yoga 
Please let me know any feedback or questions.
Note - apologies if this message has shown up before - I had some mail client issues.

Mark Pearson
---------------------------------

Add another panel that needs the edid quirk to the list so that brightness 
control works correctly. Fixes issue seen on Lenovo X13 Yoga with OLED panel

Co-developed-by: jendrina@lenovo.com
Signed-off-by: jendrina@lenovo.com
Signed-off-by: Mark Pearson <mpearson@lenovo.com>
Reviewed-by: Lyude Paul <lyude@redhat.com>
---
drivers/gpu/drm/drm_dp_helper.c | 1 +
1 file changed, 1 insertion(+)

diff --git a/drivers/gpu/drm/drm_dp_helper.c b/drivers/gpu/drm/drm_dp_helper.c
index c6fbe6e6bc9d..41f0e797ce8c 100644
--- a/drivers/gpu/drm/drm_dp_helper.c
+++ b/drivers/gpu/drm/drm_dp_helper.c
@@ -1313,6 +1313,7 @@ static const struct edid_quirk edid_quirk_list[] = {
               { MFG(0x06, 0xaf), PROD_ID(0xeb, 0x41), BIT(DP_QUIRK_FORCE_DPCD_BACKLIGHT) },
               { 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) },
};

 #undef MFG
-- 
2.26.
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^ permalink raw reply related	[flat|nested] 5+ messages in thread
* [PATCH] Lenovo X13 Yoga OLED panel brightness fix
@ 2020-05-16 23:36 Mark Pearson
  0 siblings, 0 replies; 5+ messages in thread
From: Mark Pearson @ 2020-05-16 23:36 UTC (permalink / raw)
  To: dri-devel


[-- Attachment #1.1: Type: text/plain, Size: 1280 bytes --]

Hi,

Patch to fix an issue controlling the brightness of the OLED panel on the Lenovo
X13 Yoga
Please let me know any feedback or questions.

Mark Pearson
---------------------------------

Add another panel that needs the edid quirk to the list so that brightness
control works correctly. Fixes issue seen on Lenovo X13 Yoga with OLED panel

Co-developed-by: jendrina@lenovo.com
Signed-off-by: jendrina@lenovo.com
Signed-off-by: Mark Pearson <mpearson@lenovo.com>
Reviewed-by: Lyude Paul <lyude@redhat.com>
---
drivers/gpu/drm/drm_dp_helper.c | 1 +
1 file changed, 1 insertion(+)

diff --git a/drivers/gpu/drm/drm_dp_helper.c b/drivers/gpu/drm/drm_dp_helper.c
index c6fbe6e6bc9d..41f0e797ce8c 100644
--- a/drivers/gpu/drm/drm_dp_helper.c
+++ b/drivers/gpu/drm/drm_dp_helper.c
@@ -1313,6 +1313,7 @@ static const struct edid_quirk edid_quirk_list[] = {
               { MFG(0x06, 0xaf), PROD_ID(0xeb, 0x41), BIT(DP_QUIRK_FORCE_DPCD_BACKLIGHT) },
               { 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) },
};
 #undef MFG
--
2.26.

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^ permalink raw reply related	[flat|nested] 5+ messages in thread

end of thread, other threads:[~2020-05-20 12:32 UTC | newest]

Thread overview: 5+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2020-05-18  0:06 [PATCH] Lenovo X13 Yoga OLED panel brightness fix Mark Pearson
2020-05-18 22:43 ` Lyude Paul
2020-05-18 23:13   ` Lyude Paul
2020-05-20 12:32     ` Daniel Vetter
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2020-05-16 23:36 Mark Pearson

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