On 21/04/2025 22:12, Martin Blumenstingl wrote:
This is a successor of a previous patchset by Christian [0]
Patch 1 reverts a previous fix for loss of HDMI sync when playing YUV420
@ 59.94 media. The patch does resolve a calculation issue. It also makes
all fractional rates invalid which is a bigger problem.
Patch 2 changes the whole drm/meson driver to use Hz as unit for clocks/
frequencies. And importantly it uses the relevant 64-bit maths helpers so
the code can still be compiled using for 32-bit ARM.
Maxime previously suggested using drm_hdmi_compute_mode_clock(). That's
still something to implement with future patches.
Neil, I'd like to hear your feedback on this approach.
[0]
https://lore.kernel.org/linux-amlogic/20250110074458.3624094-1-christianshew...@gmail.com/
Christian Hewitt (1):
Revert "drm/meson: vclk: fix calculation of 59.94 fractional rates"
Martin Blumenstingl (1):
drm/meson: use unsigned long long / Hz for frequency types
drivers/gpu/drm/meson/meson_drv.c | 2 +-
drivers/gpu/drm/meson/meson_drv.h | 2 +-
drivers/gpu/drm/meson/meson_encoder_hdmi.c | 29 +--
drivers/gpu/drm/meson/meson_vclk.c | 195 +++++++++++----------
drivers/gpu/drm/meson/meson_vclk.h | 13 +-
5 files changed, 126 insertions(+), 115 deletions(-)
Thanks for re-spinning, will apply.
Reviewed-by: Neil Armstrong <neil.armstr...@linaro.org>
Thanks !
