diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/dce_v6_0.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/dce_v6_0.c | 89 |
1 files changed, 75 insertions, 14 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/dce_v6_0.c b/drivers/gpu/drm/amd/amdgpu/dce_v6_0.c index 915804a6a1d7..ac51b7a6e8d4 100644 --- a/drivers/gpu/drm/amd/amdgpu/dce_v6_0.c +++ b/drivers/gpu/drm/amd/amdgpu/dce_v6_0.c @@ -206,9 +206,9 @@ static void dce_v6_0_page_flip(struct amdgpu_device *adev, /* update the scanout addresses */ WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset, upper_32_bits(crtc_base)); + /* writing to the low address triggers the update */ WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset, (u32)crtc_base); - /* post the write */ RREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset); } @@ -218,11 +218,11 @@ static int dce_v6_0_crtc_get_scanoutpos(struct amdgpu_device *adev, int crtc, { if ((crtc < 0) || (crtc >= adev->mode_info.num_crtc)) return -EINVAL; + *vbl = RREG32(mmCRTC_V_BLANK_START_END + crtc_offsets[crtc]); *position = RREG32(mmCRTC_STATUS_POSITION + crtc_offsets[crtc]); return 0; - } /** @@ -242,7 +242,8 @@ static bool dce_v6_0_hpd_sense(struct amdgpu_device *adev, if (hpd >= adev->mode_info.num_hpd) return connected; - if (RREG32(mmDC_HPD1_INT_STATUS + hpd_offsets[hpd]) & DC_HPD1_INT_STATUS__DC_HPD1_SENSE_MASK) + if (RREG32(mmDC_HPD1_INT_STATUS + hpd_offsets[hpd]) & + DC_HPD1_INT_STATUS__DC_HPD1_SENSE_MASK) connected = true; return connected; @@ -370,13 +371,41 @@ static u32 dce_v6_0_hpd_get_gpio_reg(struct amdgpu_device *adev) return mmDC_GPIO_HPD_A; } +static bool dce_v6_0_is_display_hung(struct amdgpu_device *adev) +{ + u32 crtc_hung = 0; + u32 crtc_status[6]; + u32 i, j, tmp; + + for (i = 0; i < adev->mode_info.num_crtc; i++) { + if (RREG32(mmCRTC_CONTROL + crtc_offsets[i]) & CRTC_CONTROL__CRTC_MASTER_EN_MASK) { + crtc_status[i] = RREG32(mmCRTC_STATUS_HV_COUNT + crtc_offsets[i]); + crtc_hung |= (1 << i); + } + } + + for (j = 0; j < 10; j++) { + for (i = 0; i < adev->mode_info.num_crtc; i++) { + if (crtc_hung & (1 << i)) { + tmp = RREG32(mmCRTC_STATUS_HV_COUNT + crtc_offsets[i]); + if (tmp != crtc_status[i]) + crtc_hung &= ~(1 << i); + } + } + if (crtc_hung == 0) + return false; + udelay(100); + } + + return true; +} + static void dce_v6_0_set_vga_render_state(struct amdgpu_device *adev, bool render) { if (!render) WREG32(mmVGA_RENDER_CONTROL, RREG32(mmVGA_RENDER_CONTROL) & VGA_VSTATUS_CNTL); - } static int dce_v6_0_get_num_crtc(struct amdgpu_device *adev) @@ -419,7 +448,6 @@ void dce_v6_0_disable_dce(struct amdgpu_device *adev) static void dce_v6_0_program_fmt(struct drm_encoder *encoder) { - struct drm_device *dev = encoder->dev; struct amdgpu_device *adev = drm_to_adev(dev); struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder); @@ -895,8 +923,8 @@ static void dce_v6_0_program_watermarks(struct amdgpu_device *adev, wm_high.dram_channels = dram_channels; wm_high.num_heads = num_heads; - if (adev->pm.dpm_enabled) { /* watermark for low clocks */ + if (adev->pm.dpm_enabled) { wm_low.yclk = amdgpu_dpm_get_mclk(adev, true) * 10; wm_low.sclk = @@ -1006,6 +1034,20 @@ static void dce_v6_0_program_watermarks(struct amdgpu_device *adev, } /* watermark setup */ +/** + * dce_v6_0_line_buffer_adjust - Set up the line buffer + * + * @adev: amdgpu_device pointer + * @amdgpu_crtc: the selected display controller + * @mode: the current display mode on the selected display + * controller + * @other_mode: the display mode of another display controller + * that may be sharing the line buffer + * + * Setup up the line buffer allocation for + * the selected display controller (CIK). + * Returns the line buffer size in pixels. + */ static u32 dce_v6_0_line_buffer_adjust(struct amdgpu_device *adev, struct amdgpu_crtc *amdgpu_crtc, struct drm_display_mode *mode, @@ -1386,6 +1428,8 @@ static int dce_v6_0_audio_init(struct amdgpu_device *adev) adev->mode_info.audio.pin[i].connected = false; adev->mode_info.audio.pin[i].offset = pin_offsets[i]; adev->mode_info.audio.pin[i].id = i; + /* disable audio. it will be set up later */ + /* XXX remove once we switch to ip funcs */ dce_v6_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false); } @@ -2865,14 +2909,35 @@ static int dce_v6_0_resume(struct amdgpu_ip_block *ip_block) return amdgpu_display_resume_helper(adev); } -static bool dce_v6_0_is_idle(void *handle) +static bool dce_v6_0_is_idle(struct amdgpu_ip_block *ip_block) { return true; } static int dce_v6_0_soft_reset(struct amdgpu_ip_block *ip_block) { - DRM_INFO("xxxx: dce_v6_0_soft_reset --- no impl!!\n"); + u32 srbm_soft_reset = 0, tmp; + struct amdgpu_device *adev = ip_block->adev; + + if (dce_v6_0_is_display_hung(adev)) + srbm_soft_reset |= SRBM_SOFT_RESET__SOFT_RESET_DC_MASK; + + if (srbm_soft_reset) { + tmp = RREG32(mmSRBM_SOFT_RESET); + tmp |= srbm_soft_reset; + dev_info(adev->dev, "SRBM_SOFT_RESET=0x%08X\n", tmp); + WREG32(mmSRBM_SOFT_RESET, tmp); + tmp = RREG32(mmSRBM_SOFT_RESET); + + udelay(50); + + tmp &= ~srbm_soft_reset; + WREG32(mmSRBM_SOFT_RESET, tmp); + tmp = RREG32(mmSRBM_SOFT_RESET); + + /* Wait a little for things to settle down */ + udelay(50); + } return 0; } @@ -3148,7 +3213,6 @@ static int dce_v6_0_hpd_irq(struct amdgpu_device *adev, } return 0; - } static int dce_v6_0_set_clockgating_state(struct amdgpu_ip_block *ip_block, @@ -3281,8 +3345,7 @@ static void dce_v6_0_ext_commit(struct drm_encoder *encoder) } -static void -dce_v6_0_ext_mode_set(struct drm_encoder *encoder, +static void dce_v6_0_ext_mode_set(struct drm_encoder *encoder, struct drm_display_mode *mode, struct drm_display_mode *adjusted_mode) { @@ -3294,8 +3357,7 @@ static void dce_v6_0_ext_disable(struct drm_encoder *encoder) } -static void -dce_v6_0_ext_dpms(struct drm_encoder *encoder, int mode) +static void dce_v6_0_ext_dpms(struct drm_encoder *encoder, int mode) { } @@ -3366,7 +3428,6 @@ static void dce_v6_0_encoder_add(struct amdgpu_device *adev, amdgpu_encoder->devices |= supported_device; return; } - } /* add a new one */ |