From: Mateusz Kwiatkowski Date: Mon, 29 Aug 2022 13:11:42 +0000 (+0200) Subject: drm/vc4: vec: Fix timings for VEC modes X-Git-Tag: v6.1-rc1~159^2~17^2~14 X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=30d7565be96b3946c18a1ce3fd538f7946839092;p=thirdparty%2Fkernel%2Flinux.git drm/vc4: vec: Fix timings for VEC modes This commit fixes vertical timings of the VEC (composite output) modes to accurately represent the 525-line ("NTSC") and 625-line ("PAL") ITU-R standards. Previous timings were actually defined as 502 and 601 lines, resulting in non-standard 62.69 Hz and 52 Hz signals being generated, respectively. Signed-off-by: Mateusz Kwiatkowski Acked-by: Noralf Trønnes Signed-off-by: Maxime Ripard Link: https://patchwork.freedesktop.org/patch/msgid/20220728-rpi-analog-tv-properties-v2-28-459522d653a7@cerno.tech --- diff --git a/drivers/gpu/drm/vc4/vc4_vec.c b/drivers/gpu/drm/vc4/vc4_vec.c index 7eb1e34f12b54..0b33338657026 100644 --- a/drivers/gpu/drm/vc4/vc4_vec.c +++ b/drivers/gpu/drm/vc4/vc4_vec.c @@ -227,14 +227,14 @@ static const struct debugfs_reg32 vec_regs[] = { static const struct drm_display_mode ntsc_mode = { DRM_MODE("720x480", DRM_MODE_TYPE_DRIVER, 13500, 720, 720 + 14, 720 + 14 + 64, 720 + 14 + 64 + 60, 0, - 480, 480 + 3, 480 + 3 + 3, 480 + 3 + 3 + 16, 0, + 480, 480 + 7, 480 + 7 + 6, 525, 0, DRM_MODE_FLAG_INTERLACE) }; static const struct drm_display_mode pal_mode = { DRM_MODE("720x576", DRM_MODE_TYPE_DRIVER, 13500, 720, 720 + 20, 720 + 20 + 64, 720 + 20 + 64 + 60, 0, - 576, 576 + 2, 576 + 2 + 3, 576 + 2 + 3 + 20, 0, + 576, 576 + 4, 576 + 4 + 6, 625, 0, DRM_MODE_FLAG_INTERLACE) };