diff options
author | Dave Stevenson <dave.stevenson@raspberrypi.com> | 2022-06-13 16:47:59 +0200 |
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committer | Maxime Ripard <maxime@cerno.tech> | 2022-06-28 14:56:20 +0200 |
commit | fb10dc451c0f15e3c19798a2f41d357f3f7576f5 (patch) | |
tree | b5e3543e381d69d18573bc76d6071893e45303e8 /drivers/gpu/drm/vc4 | |
parent | c94cd0620a922156c9ff9af9c3301b174b287677 (diff) | |
download | linux-fb10dc451c0f15e3c19798a2f41d357f3f7576f5.tar.gz linux-fb10dc451c0f15e3c19798a2f41d357f3f7576f5.tar.bz2 linux-fb10dc451c0f15e3c19798a2f41d357f3f7576f5.zip |
drm/vc4: hdmi: Correct HDMI timing registers for interlaced modes
For interlaced modes the timings were not being correctly
programmed into the HDMI block, so correct them.
Fixes: 8323989140f3 ("drm/vc4: hdmi: Support the BCM2711 HDMI controllers")
Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
Link: https://lore.kernel.org/r/20220613144800.326124-33-maxime@cerno.tech
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Diffstat (limited to 'drivers/gpu/drm/vc4')
-rw-r--r-- | drivers/gpu/drm/vc4/vc4_hdmi.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/gpu/drm/vc4/vc4_hdmi.c b/drivers/gpu/drm/vc4/vc4_hdmi.c index c1714a3e0804..6b009c43a4a8 100644 --- a/drivers/gpu/drm/vc4/vc4_hdmi.c +++ b/drivers/gpu/drm/vc4/vc4_hdmi.c @@ -1036,13 +1036,13 @@ static void vc5_hdmi_set_timings(struct vc4_hdmi *vc4_hdmi, VC4_SET_FIELD(mode->crtc_vsync_start - mode->crtc_vdisplay, VC5_HDMI_VERTA_VFP) | VC4_SET_FIELD(mode->crtc_vdisplay, VC5_HDMI_VERTA_VAL)); - u32 vertb = (VC4_SET_FIELD(0, VC5_HDMI_VERTB_VSPO) | - VC4_SET_FIELD(mode->crtc_vtotal - mode->crtc_vsync_end + - interlaced, + u32 vertb = (VC4_SET_FIELD(mode->htotal >> (2 - pixel_rep), + VC5_HDMI_VERTB_VSPO) | + VC4_SET_FIELD(mode->crtc_vtotal - mode->crtc_vsync_end, VC4_HDMI_VERTB_VBP)); u32 vertb_even = (VC4_SET_FIELD(0, VC5_HDMI_VERTB_VSPO) | VC4_SET_FIELD(mode->crtc_vtotal - - mode->crtc_vsync_end, + mode->crtc_vsync_end - interlaced, VC4_HDMI_VERTB_VBP)); unsigned long flags; unsigned char gcp; |