From e20ae5ae9f0c843aded4f06f3d1cab7384789e92 Mon Sep 17 00:00:00 2001 From: Marc Gonzalez Date: Thu, 25 Apr 2024 17:07:07 +0200 Subject: clk: qcom: mmcc-msm8998: fix venus clock issue Right now, msm8998 video decoder (venus) is non-functional: $ time mpv --hwdec=v4l2m2m-copy --vd-lavc-software-fallback=no --vo=null --no-audio --untimed --length=30 --quiet demo-480.webm (+) Video --vid=1 (*) (vp9 854x480 29.970fps) Audio --aid=1 --alang=eng (*) (opus 2ch 48000Hz) [ffmpeg/video] vp9_v4l2m2m: output VIDIOC_REQBUFS failed: Connection timed out [ffmpeg/video] vp9_v4l2m2m: no v4l2 output context's buffers [ffmpeg/video] vp9_v4l2m2m: can't configure decoder Could not open codec. Software decoding fallback is disabled. Exiting... (Quit) Bryan O'Donoghue suggested the proper fix: - Set required register offsets in venus GDSC structs. - Set HW_CTRL flag. $ time mpv --hwdec=v4l2m2m-copy --vd-lavc-software-fallback=no --vo=null --no-audio --untimed --length=30 --quiet demo-480.webm (+) Video --vid=1 (*) (vp9 854x480 29.970fps) Audio --aid=1 --alang=eng (*) (opus 2ch 48000Hz) [ffmpeg/video] vp9_v4l2m2m: VIDIOC_G_FMT ioctl [ffmpeg/video] vp9_v4l2m2m: VIDIOC_G_FMT ioctl ... Using hardware decoding (v4l2m2m-copy). VO: [null] 854x480 nv12 Exiting... (End of file) real 0m3.315s user 0m1.277s sys 0m0.453s NOTES: GDSC = Globally Distributed Switch Controller Use same code as mmcc-msm8996 with: s/venus_gdsc/video_top_gdsc/ s/venus_core0_gdsc/video_subcore0_gdsc/ s/venus_core1_gdsc/video_subcore1_gdsc/ https://git.codelinaro.org/clo/la/kernel/msm-4.4/-/blob/caf_migration/kernel.lnx.4.4.r38-rel/include/dt-bindings/clock/msm-clocks-hwio-8996.h https://git.codelinaro.org/clo/la/kernel/msm-4.4/-/blob/caf_migration/kernel.lnx.4.4.r38-rel/include/dt-bindings/clock/msm-clocks-hwio-8998.h 0x1024 = MMSS_VIDEO GDSCR (undocumented) 0x1028 = MMSS_VIDEO_CORE_CBCR 0x1030 = MMSS_VIDEO_AHB_CBCR 0x1034 = MMSS_VIDEO_AXI_CBCR 0x1038 = MMSS_VIDEO_MAXI_CBCR 0x1040 = MMSS_VIDEO_SUBCORE0 GDSCR (undocumented) 0x1044 = MMSS_VIDEO_SUBCORE1 GDSCR (undocumented) 0x1048 = MMSS_VIDEO_SUBCORE0_CBCR 0x104c = MMSS_VIDEO_SUBCORE1_CBCR Fixes: d14b15b5931c2b ("clk: qcom: Add MSM8998 Multimedia Clock Controller (MMCC) driver") Reviewed-by: Bryan O'Donoghue Signed-off-by: Marc Gonzalez Reviewed-by: Jeffrey Hugo Link: https://lore.kernel.org/r/ff4e2e34-a677-4c39-8c29-83655c5512ae@freebox.fr Signed-off-by: Bjorn Andersson --- drivers/clk/qcom/mmcc-msm8998.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/drivers/clk/qcom/mmcc-msm8998.c b/drivers/clk/qcom/mmcc-msm8998.c index 1180e48c687a..275fb3b71ede 100644 --- a/drivers/clk/qcom/mmcc-msm8998.c +++ b/drivers/clk/qcom/mmcc-msm8998.c @@ -2535,6 +2535,8 @@ static struct clk_branch vmem_ahb_clk = { static struct gdsc video_top_gdsc = { .gdscr = 0x1024, + .cxcs = (unsigned int []){ 0x1028, 0x1034, 0x1038 }, + .cxc_count = 3, .pd = { .name = "video_top", }, @@ -2543,20 +2545,26 @@ static struct gdsc video_top_gdsc = { static struct gdsc video_subcore0_gdsc = { .gdscr = 0x1040, + .cxcs = (unsigned int []){ 0x1048 }, + .cxc_count = 1, .pd = { .name = "video_subcore0", }, .parent = &video_top_gdsc.pd, .pwrsts = PWRSTS_OFF_ON, + .flags = HW_CTRL, }; static struct gdsc video_subcore1_gdsc = { .gdscr = 0x1044, + .cxcs = (unsigned int []){ 0x104c }, + .cxc_count = 1, .pd = { .name = "video_subcore1", }, .parent = &video_top_gdsc.pd, .pwrsts = PWRSTS_OFF_ON, + .flags = HW_CTRL, }; static struct gdsc mdss_gdsc = { -- cgit v1.2.3