[PATCH] drm/edid: Add 6 bpc quirk for BOE panel in HP Pavilion 15-n233sl

[PATCH] drm/edid: Add 6 bpc quirk for BOE panel in HP Pavilion 15-n233sl

[Kai-Heng Feng]

There's another panel that reports "DFP 1.x compliant TMDS" but it
supports 6bpc instead of 8 bpc.

Apply 6 bpc quirk for the panel to fix it.

BugLink: https://bugs.launchpad.net/bugs/1794387
Cc: <stable@vger.kernel.org> # v4.8+
Signed-off-by: Kai-Heng Feng <kai.heng.feng@canonical.com>
---
 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 3c9fc99648b7..1e2b9407c8d0 100644
--- a/drivers/gpu/drm/drm_edid.c
+++ b/drivers/gpu/drm/drm_edid.c
@@ -113,6 +113,9 @@ static const struct edid_quirk {
 	/* AEO model 0 reports 8 bpc, but is a 6 bpc panel */
 	{ "AEO", 0, EDID_QUIRK_FORCE_6BPC },
 
+	/* BOE model on HP Pavilion 15-n233sl reports 8 bpc, but is a 6 bpc panel */
+	{ "BOE", 0x78b, EDID_QUIRK_FORCE_6BPC },
+
 	/* CPT panel of Asus UX303LA reports 8 bpc, but is a 6 bpc panel */
 	{ "CPT", 0x17df, EDID_QUIRK_FORCE_6BPC },
 
-- 
2.17.1

Re: [PATCH] drm/edid: Add 6 bpc quirk for BOE panel in HP Pavilion 15-n233sl

[Daniel Vetter]

On Tue, Oct 02, 2018 at 11:29:11PM +0800, Kai-Heng Feng wrote:
> There's another panel that reports "DFP 1.x compliant TMDS" but it
> supports 6bpc instead of 8 bpc.
> 
> Apply 6 bpc quirk for the panel to fix it.
> 
> BugLink: https://bugs.launchpad.net/bugs/1794387
> Cc: <stable@vger.kernel.org> # v4.8+
> Signed-off-by: Kai-Heng Feng <kai.heng.feng@canonical.com>

Applied to drm-misc-fixes, thanks for your patch.
-Daniel

> ---
>  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 3c9fc99648b7..1e2b9407c8d0 100644
> --- a/drivers/gpu/drm/drm_edid.c
> +++ b/drivers/gpu/drm/drm_edid.c
> @@ -113,6 +113,9 @@ static const struct edid_quirk {
>  	/* AEO model 0 reports 8 bpc, but is a 6 bpc panel */
>  	{ "AEO", 0, EDID_QUIRK_FORCE_6BPC },
>  
> +	/* BOE model on HP Pavilion 15-n233sl reports 8 bpc, but is a 6 bpc panel */
> +	{ "BOE", 0x78b, EDID_QUIRK_FORCE_6BPC },
> +
>  	/* CPT panel of Asus UX303LA reports 8 bpc, but is a 6 bpc panel */
>  	{ "CPT", 0x17df, EDID_QUIRK_FORCE_6BPC },
>  
> -- 
> 2.17.1
> 
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> dri-devel@lists.freedesktop.org
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-- 
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch