Re: [BUG] AMD Radeon Pro 5600M with 8GB of HBM2 memory shows blank screen on Linux

> > Can you file a bug report: > https://gitlab.freedesktop.org/drm/amd/-/issues/ https://gitlab.freedesktop.org/drm/amd/-/issues/2318 > > What sort of monitor are you using? It looks to be failing mode validation: > [drm] Mode Validation Warning: Urgent latency failed validation. > Well its

[BUG] AMD Radeon Pro 5600M with 8GB of HBM2 memory shows blank screen on Linux

The AMD Radeon Pro 5600M with 8GB of HBM2 memory GPU is found in MacBook Pro 16 inch, 2019 (MacBookPro16,4). The GPU fails to work on Linux, thus a blank black screen gets displayed on boot. If nomodeset is added as a kernel parameter, we are able to access Linux easily. The link below contain

Re: [PATCH RESEND] drm/amd/display: Force link_rate as LINK_RATE_RBR2 for 2018 15" Apple Retina panels

> On 28-Jan-2022, at 8:33 PM, Harry Wentland wrote: > > I think either leaving the 2017 quirk in its original place or moving it down > works. I don't have a strong preference. I’d better leave it in the original place then > > With the comment style addressed this patch is Sending a v2 now w

[PATCH v2] drm/amd/display: Force link_rate as LINK_RATE_RBR2 for 2018 15" Apple Retina panels

of the more capable 16,1, incorrectly quirking it. We also use said firmware check to quirk the refreshed 15,1 models with Vega graphics as they use a slightly newer firmware version. Tested-by: Aun-Ali Zaidi Reviewed-by: Harry Wentland Signed-off-by: Aun-Ali Zaidi Signed-off-by: Aditya Gar

Re: [PATCH RESEND] drm/amd/display: Force link_rate as LINK_RATE_RBR2 for 2018 15" Apple Retina panels

Hi Alex > On 27-Jan-2022, at 11:06 PM, Alex Deucher wrote: > > C style comments please. Shall be fixed in v2 > I'll let one of the display guys comment on > the rest of the patch. Seems reasonable, we have a similar quirk for > the Apple MBP 2017 15" Retina panel later in this function. Cou

[PATCH RESEND] drm/amd/display: Force link_rate as LINK_RATE_RBR2 for 2018 15" Apple Retina panels

of the more capable 16,1, incorrectly quirking it. We also use said firmware check to quirk the refreshed 15,1 models with Vega graphics as they use a slightly newer firmware version. Tested-by: Aun-Ali Zaidi Signed-off-by: Aun-Ali Zaidi Signed-off-by: Aditya Garg --- .../gpu/drm/amd/display/d

[PATCH] drm/amd/display: Force link_rate as LINK_RATE_RBR2 for 2018 15" Apple Retina panels

of the more capable 16,1, incorrectly quirking it. We also use said firmware check to quirk the refreshed 15,1 models with Vega graphics as they use a slightly newer firmware version. Tested-by: Aun-Ali Zaidi Signed-off-by: Aun-Ali Zaidi Signed-off-by: Aditya Garg --- .../gpu/drm/amd/display/d