On Mon, Sep 09, 2024 at 11:59:18AM +0300, Jouni Högander wrote:
In commit "drm/i915/display: Increase number of fast wake precharge pulses" we were increasing Fast Wake sync pulse length to fix problems observed on Dell Precision 5490 laptop with AUO panel. Later we have observed this is causing problems on other panels.
Fix these problems by increasing Fast Wake sync pulse length as a quirk applied for Dell Precision 5490 with problematic panel.
Fixes: f77772866385 ("drm/i915/display: Increase number of fast wake precharge pulses") Cc: Ville Syrjälä ville.syrjala@linux.intel.com Closes: http://gitlab.freedesktop.org/drm/i915/kernel/-/issues/9739 Closes: https://gitlab.freedesktop.org/drm/xe/kernel/-/issues/2246 Closes: https://gitlab.freedesktop.org/drm/i915/kernel/-/issues/11762 Signed-off-by: Jouni Högander jouni.hogander@intel.com Reviewed-by: Jani Nikula jani.nikula@intel.com Cc: stable@vger.kernel.org # v6.10+ Link: https://patchwork.freedesktop.org/patch/msgid/20240902064241.1020965-3-jouni... (cherry picked from commit fcba2ed66b39252210f4e739722ebcc5398c2197) Requires: 43cf50eb1408 ("drm/i915/display: Add mechanism to use sink model when applying quirk") Signed-off-by: Joonas Lahtinen joonas.lahtinen@linux.intel.com (cherry picked from commit a13494de53258d8cf82ed3bcd69176bbf7f2640e)
drivers/gpu/drm/i915/display/intel_dp_aux.c | 16 +++++++++++----- drivers/gpu/drm/i915/display/intel_dp_aux.h | 2 +- drivers/gpu/drm/i915/display/intel_psr.c | 2 +- drivers/gpu/drm/i915/display/intel_quirks.c | 19 ++++++++++++++++++- drivers/gpu/drm/i915/display/intel_quirks.h | 1 + 5 files changed, 32 insertions(+), 8 deletions(-)
BOth now queued up, thanks.
greg k-h