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drm/radeon/kms: further spread spectrum fixes 

Adjust modeset ordering to fix spread spectrum.
The spread spectrum command table relies on the
crtc routing to already be set in order to work
properly on some asics.

Should fix fdo bug 25741.

Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Alex Deucher 2010-03-08 17:10:41 -05:00 committed by Dave Airlie
parent 86cb2bbfda
commit 267364ac17
2 changed files with 20 additions and 13 deletions
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8
drivers/gpu/drm/radeon/atombios_crtc.c
View File

@ -1127,9 +1127,6 @@ int atombios_crtc_mode_set(struct drm_crtc *crtc,
/* TODO color tiling */
/* pick pll */
radeon_crtc->pll_id = radeon_atom_pick_pll(crtc);
atombios_disable_ss(crtc);
/* always set DCPLL */
if (ASIC_IS_DCE4(rdev))
@ -1164,6 +1161,11 @@ static bool atombios_crtc_mode_fixup(struct drm_crtc *crtc,
static void atombios_crtc_prepare(struct drm_crtc *crtc)
{
struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
/* pick pll */
radeon_crtc->pll_id = radeon_atom_pick_pll(crtc);
atombios_lock_crtc(crtc, ATOM_ENABLE);
atombios_crtc_dpms(crtc, DRM_MODE_DPMS_OFF);
}

25
drivers/gpu/drm/radeon/radeon_encoders.c
View File

@ -1216,6 +1216,9 @@ atombios_set_encoder_crtc_source(struct drm_encoder *encoder)
}
atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
/* update scratch regs with new routing */
radeon_atombios_encoder_crtc_scratch_regs(encoder, radeon_crtc->crtc_id);
}
static void
@ -1326,19 +1329,9 @@ radeon_atom_encoder_mode_set(struct drm_encoder *encoder,
struct drm_device *dev = encoder->dev;
struct radeon_device *rdev = dev->dev_private;
struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
struct radeon_crtc *radeon_crtc = to_radeon_crtc(encoder->crtc);
if (radeon_encoder->active_device &
(ATOM_DEVICE_DFP_SUPPORT | ATOM_DEVICE_LCD_SUPPORT)) {
struct radeon_encoder_atom_dig *dig = radeon_encoder->enc_priv;
if (dig)
dig->dig_encoder = radeon_atom_pick_dig_encoder(encoder);
}
radeon_encoder->pixel_clock = adjusted_mode->clock;
radeon_atombios_encoder_crtc_scratch_regs(encoder, radeon_crtc->crtc_id);
atombios_set_encoder_crtc_source(encoder);
if (ASIC_IS_AVIVO(rdev)) {
if (radeon_encoder->active_device & (ATOM_DEVICE_CV_SUPPORT | ATOM_DEVICE_TV_SUPPORT))
atombios_yuv_setup(encoder, true);
@ -1492,8 +1485,20 @@ radeon_atom_dac_detect(struct drm_encoder *encoder, struct drm_connector *connec
static void radeon_atom_encoder_prepare(struct drm_encoder *encoder)
{
struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
if (radeon_encoder->active_device &
(ATOM_DEVICE_DFP_SUPPORT | ATOM_DEVICE_LCD_SUPPORT)) {
struct radeon_encoder_atom_dig *dig = radeon_encoder->enc_priv;
if (dig)
dig->dig_encoder = radeon_atom_pick_dig_encoder(encoder);
}
radeon_atom_output_lock(encoder, true);
radeon_atom_encoder_dpms(encoder, DRM_MODE_DPMS_OFF);
/* this is needed for the pll/ss setup to work correctly in some cases */
atombios_set_encoder_crtc_source(encoder);
}
static void radeon_atom_encoder_commit(struct drm_encoder *encoder)