diff options
Diffstat (limited to 'drivers/gpu/drm/radeon/radeon_legacy_crtc.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_legacy_crtc.c | 22 |
1 files changed, 14 insertions, 8 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_legacy_crtc.c b/drivers/gpu/drm/radeon/radeon_legacy_crtc.c index 94b4a1c12893..6857cb4efb76 100644 --- a/drivers/gpu/drm/radeon/radeon_legacy_crtc.c +++ b/drivers/gpu/drm/radeon/radeon_legacy_crtc.c @@ -206,11 +206,6 @@ static void radeon_legacy_rmx_mode_set(struct drm_crtc *crtc, WREG32(RADEON_FP_CRTC_V_TOTAL_DISP, fp_crtc_v_total_disp); } -void radeon_restore_common_regs(struct drm_device *dev) -{ - /* don't need this yet */ -} - static void radeon_pll_wait_for_read_update_complete(struct drm_device *dev) { struct radeon_device *rdev = dev->dev_private; @@ -295,11 +290,12 @@ static uint8_t radeon_compute_pll_gain(uint16_t ref_freq, uint16_t ref_div, return 1; } -void radeon_crtc_dpms(struct drm_crtc *crtc, int mode) +static void radeon_crtc_dpms(struct drm_crtc *crtc, int mode) { struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc); struct drm_device *dev = crtc->dev; struct radeon_device *rdev = dev->dev_private; + uint32_t crtc_ext_cntl = 0; uint32_t mask; if (radeon_crtc->crtc_id) @@ -312,6 +308,16 @@ void radeon_crtc_dpms(struct drm_crtc *crtc, int mode) RADEON_CRTC_VSYNC_DIS | RADEON_CRTC_HSYNC_DIS); + /* + * On all dual CRTC GPUs this bit controls the CRTC of the primary DAC. + * Therefore it is set in the DAC DMPS function. + * This is different for GPU's with a single CRTC but a primary and a + * TV DAC: here it controls the single CRTC no matter where it is + * routed. Therefore we set it here. + */ + if (rdev->flags & RADEON_SINGLE_CRTC) + crtc_ext_cntl = RADEON_CRTC_CRT_ON; + switch (mode) { case DRM_MODE_DPMS_ON: radeon_crtc->enabled = true; @@ -322,7 +328,7 @@ void radeon_crtc_dpms(struct drm_crtc *crtc, int mode) else { WREG32_P(RADEON_CRTC_GEN_CNTL, RADEON_CRTC_EN, ~(RADEON_CRTC_EN | RADEON_CRTC_DISP_REQ_EN_B)); - WREG32_P(RADEON_CRTC_EXT_CNTL, 0, ~mask); + WREG32_P(RADEON_CRTC_EXT_CNTL, crtc_ext_cntl, ~(mask | crtc_ext_cntl)); } drm_vblank_post_modeset(dev, radeon_crtc->crtc_id); radeon_crtc_load_lut(crtc); @@ -336,7 +342,7 @@ void radeon_crtc_dpms(struct drm_crtc *crtc, int mode) else { WREG32_P(RADEON_CRTC_GEN_CNTL, RADEON_CRTC_DISP_REQ_EN_B, ~(RADEON_CRTC_EN | RADEON_CRTC_DISP_REQ_EN_B)); - WREG32_P(RADEON_CRTC_EXT_CNTL, mask, ~mask); + WREG32_P(RADEON_CRTC_EXT_CNTL, mask, ~(mask | crtc_ext_cntl)); } radeon_crtc->enabled = false; /* adjust pm to dpms changes AFTER disabling crtcs */ |