[SRU][O][PATCH v2 0/4] HDMI cause display malfunctioning on BMG hardware

[Kuba Pawlak]

On 14.03.2025 15:44, Thibault Ferrante wrote:
> BugLink: https://bugs.launchpad.net/bugs/2102378
>
> [ Impact ]
>
>   * There are 4 ports on the BMG (3 DP and 1 HDMI). Display for those 3 DP ports are working fine,
>   including single and double monitor display. However, whenever the HDMI port is used, after that,
>   the 3 DP ports will not be working. Meanwhile, the HDMI port is still working.
>
> [ Fix ]
>
> * Upstream fix:
>   drm/xe: Remove runtime argument from display s/r functions
>   drm/xe/display: Separate the d3cold and non-d3cold runtime PM handling
>   drm/xe/display: Add missing HPD interrupt enabling during non-d3cold RPM resume
>   drm/xe: Fix missing conversion to xe_display_pm_runtime_resume
>
> [ Test Plan ]
>
>   1. Plug in HDMI
>   2. Plug out HDMI
>   3. Plug in DP
>
> This is already tested/verified on oracular:linux-intel which includes those fixes.
>
> [ Where problems could occur ]
>
>   * BMG specific regression
>
> [ Other Info ]
>
>   * Fix pointed out by intel engineer. Backport done by them, just checked/modified it to follow the SRU process.
>
> v2: Add fix commit to the series
>
> Imre Deak (2):
>    drm/xe/display: Separate the d3cold and non-d3cold runtime PM handling
>    drm/xe/display: Add missing HPD interrupt enabling during non-d3cold
>      RPM resume
>
> Maarten Lankhorst (2):
>    drm/xe: Remove runtime argument from display s/r functions
>    drm/xe: Fix missing conversion to xe_display_pm_runtime_resume
>
>   drivers/gpu/drm/xe/display/xe_display.c | 65 ++++++++++++++++---------
>   drivers/gpu/drm/xe/display/xe_display.h |  8 +--
>   drivers/gpu/drm/xe/xe_pm.c              |  8 +--
>   3 files changed, 51 insertions(+), 30 deletions(-)
>
Acked-by: Kuba Pawlak <kuba.pawlak at canonical.com>
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