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| author | Pin-yen Lin <treapking@chromium.org> | 2022-11-15 19:27:20 +0800 |
|---|---|---|
| committer | Robert Foss <robert.foss@linaro.org> | 2022-12-15 11:41:22 +0100 |
| commit | 11feaef69d0cb81278294299bbfd86f94c2004e3 (patch) | |
| tree | 6eebc7af1c7cf74b0d41a37c6334301c4b6f3554 /drivers/gpu/drm/gud | |
| parent | 2a9df204be0bbb896e087f00b9ee3fc559d5a608 (diff) | |
| download | linux-11feaef69d0cb81278294299bbfd86f94c2004e3.tar.gz | |
drm/bridge: it6505: Add caching for EDID
Add caching when EDID is read, and invalidate the cache until the
bridge detects HPD low or sink count changes on HPD_IRQ.
It takes 1.2s for IT6505 bridge to read a 3-block EDID, and skipping
one EDID read would be a notable difference on user experience.
Signed-off-by: Pin-yen Lin <treapking@chromium.org>
Reviewed-by: Robert Foss <robert.foss@linaro.org>
Signed-off-by: Robert Foss <robert.foss@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20221115112720.911158-1-treapking@chromium.org
Diffstat (limited to 'drivers/gpu/drm/gud')
0 files changed, 0 insertions, 0 deletions