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drm/radeon/kms: fix tv-out on avivo asics

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digital underscan support regressed tv-out.

fixes:
https://bugs.freedesktop.org/show_bug.cgi?id=29985

Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Alex Deucher 2010-09-03 15:52:53 -04:00 committed by Dave Airlie
parent 7e7b41d2ff
commit 54bfe496ce
1 changed files with 23 additions and 3 deletions
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26
drivers/gpu/drm/radeon/atombios_crtc.c
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@ -332,6 +332,11 @@ static void atombios_crtc_set_timing(struct drm_crtc *crtc,
args.usV_SyncWidth =
cpu_to_le16(mode->crtc_vsync_end - mode->crtc_vsync_start);
args.ucOverscanRight = radeon_crtc->h_border;
args.ucOverscanLeft = radeon_crtc->h_border;
args.ucOverscanBottom = radeon_crtc->v_border;
args.ucOverscanTop = radeon_crtc->v_border;
if (mode->flags & DRM_MODE_FLAG_NVSYNC)
misc |= ATOM_VSYNC_POLARITY;
if (mode->flags & DRM_MODE_FLAG_NHSYNC)
@ -1211,8 +1216,18 @@ int atombios_crtc_mode_set(struct drm_crtc *crtc,
struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
struct drm_device *dev = crtc->dev;
struct radeon_device *rdev = dev->dev_private;
struct drm_encoder *encoder;
bool is_tvcv = false;
/* TODO color tiling */
list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
/* find tv std */
if (encoder->crtc == crtc) {
struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
if (radeon_encoder->active_device &
(ATOM_DEVICE_TV_SUPPORT | ATOM_DEVICE_CV_SUPPORT))
is_tvcv = true;
}
}
atombios_disable_ss(crtc);
/* always set DCPLL */
@ -1221,9 +1236,14 @@ int atombios_crtc_mode_set(struct drm_crtc *crtc,
atombios_crtc_set_pll(crtc, adjusted_mode);
atombios_enable_ss(crtc);
if (ASIC_IS_AVIVO(rdev))
if (ASIC_IS_DCE4(rdev))
atombios_set_crtc_dtd_timing(crtc, adjusted_mode);
else {
else if (ASIC_IS_AVIVO(rdev)) {
if (is_tvcv)
atombios_crtc_set_timing(crtc, adjusted_mode);
else
atombios_set_crtc_dtd_timing(crtc, adjusted_mode);
} else {
atombios_crtc_set_timing(crtc, adjusted_mode);
if (radeon_crtc->crtc_id == 0)
atombios_set_crtc_dtd_timing(crtc, adjusted_mode);