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| author | Maxime Ripard <maxime@cerno.tech> | 2021-09-22 14:54:17 +0200 |
|---|---|---|
| committer | Maxime Ripard <maxime@cerno.tech> | 2021-10-25 15:33:40 +0200 |
| commit | 3e85b81591609bb794bb00cd619b20965b5b38cd (patch) | |
| tree | 1d99096a575969e2302f1c93c0891e98333db1ec /tools/perf/scripts/python/event_analyzing_sample.py | |
| parent | clk: bcm-2835: Remove rounding up the dividers (diff) | |
| download | linux-3e85b81591609bb794bb00cd619b20965b5b38cd.tar.gz linux-3e85b81591609bb794bb00cd619b20965b5b38cd.zip | |
drm/vc4: hdmi: Set a default HSM rate
When the firmware doesn't setup the HSM rate (such as when booting
without an HDMI cable plugged in), its rate is 0 and thus any register
access results in a CPU stall, even though HSM is enabled.
Let's enforce a minimum rate at boot to avoid this issue.
Fixes: 4f6e3d66ac52 ("drm/vc4: Add runtime PM support to the HDMI encoder driver")
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Reviewed-by: Nicolas Saenz Julienne <nsaenz@kernel.org>
Tested-by: Nicolas Saenz Julienne <nsaenz@kernel.org>
Tested-by: Michael Stapelberg <michael@stapelberg.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20210922125419.4125779-4-maxime@cerno.tech
Diffstat (limited to 'tools/perf/scripts/python/event_analyzing_sample.py')
0 files changed, 0 insertions, 0 deletions