diff options
Diffstat (limited to 'drivers/gpu/drm/radeon/evergreen.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/evergreen.c | 89 |
1 files changed, 66 insertions, 23 deletions
diff --git a/drivers/gpu/drm/radeon/evergreen.c b/drivers/gpu/drm/radeon/evergreen.c index b9f64f0e003d..63a1e6ec7f5a 100644 --- a/drivers/gpu/drm/radeon/evergreen.c +++ b/drivers/gpu/drm/radeon/evergreen.c @@ -2122,7 +2122,8 @@ static void evergreen_program_watermarks(struct radeon_device *rdev, u32 lb_size, u32 num_heads) { struct drm_display_mode *mode = &radeon_crtc->base.mode; - struct evergreen_wm_params wm; + struct evergreen_wm_params wm_low, wm_high; + u32 dram_channels; u32 pixel_period; u32 line_time = 0; u32 latency_watermark_a = 0, latency_watermark_b = 0; @@ -2138,39 +2139,81 @@ static void evergreen_program_watermarks(struct radeon_device *rdev, line_time = min((u32)mode->crtc_htotal * pixel_period, (u32)65535); priority_a_cnt = 0; priority_b_cnt = 0; + dram_channels = evergreen_get_number_of_dram_channels(rdev); + + /* watermark for high clocks */ + if ((rdev->pm.pm_method == PM_METHOD_DPM) && rdev->pm.dpm_enabled) { + wm_high.yclk = + radeon_dpm_get_mclk(rdev, false) * 10; + wm_high.sclk = + radeon_dpm_get_sclk(rdev, false) * 10; + } else { + wm_high.yclk = rdev->pm.current_mclk * 10; + wm_high.sclk = rdev->pm.current_sclk * 10; + } - wm.yclk = rdev->pm.current_mclk * 10; - wm.sclk = rdev->pm.current_sclk * 10; - wm.disp_clk = mode->clock; - wm.src_width = mode->crtc_hdisplay; - wm.active_time = mode->crtc_hdisplay * pixel_period; - wm.blank_time = line_time - wm.active_time; - wm.interlaced = false; + wm_high.disp_clk = mode->clock; + wm_high.src_width = mode->crtc_hdisplay; + wm_high.active_time = mode->crtc_hdisplay * pixel_period; + wm_high.blank_time = line_time - wm_high.active_time; + wm_high.interlaced = false; if (mode->flags & DRM_MODE_FLAG_INTERLACE) - wm.interlaced = true; - wm.vsc = radeon_crtc->vsc; - wm.vtaps = 1; + wm_high.interlaced = true; + wm_high.vsc = radeon_crtc->vsc; + wm_high.vtaps = 1; if (radeon_crtc->rmx_type != RMX_OFF) - wm.vtaps = 2; - wm.bytes_per_pixel = 4; /* XXX: get this from fb config */ - wm.lb_size = lb_size; - wm.dram_channels = evergreen_get_number_of_dram_channels(rdev); - wm.num_heads = num_heads; + wm_high.vtaps = 2; + wm_high.bytes_per_pixel = 4; /* XXX: get this from fb config */ + wm_high.lb_size = lb_size; + wm_high.dram_channels = dram_channels; + wm_high.num_heads = num_heads; + + /* watermark for low clocks */ + if ((rdev->pm.pm_method == PM_METHOD_DPM) && rdev->pm.dpm_enabled) { + wm_low.yclk = + radeon_dpm_get_mclk(rdev, true) * 10; + wm_low.sclk = + radeon_dpm_get_sclk(rdev, true) * 10; + } else { + wm_low.yclk = rdev->pm.current_mclk * 10; + wm_low.sclk = rdev->pm.current_sclk * 10; + } + + wm_low.disp_clk = mode->clock; + wm_low.src_width = mode->crtc_hdisplay; + wm_low.active_time = mode->crtc_hdisplay * pixel_period; + wm_low.blank_time = line_time - wm_low.active_time; + wm_low.interlaced = false; + if (mode->flags & DRM_MODE_FLAG_INTERLACE) + wm_low.interlaced = true; + wm_low.vsc = radeon_crtc->vsc; + wm_low.vtaps = 1; + if (radeon_crtc->rmx_type != RMX_OFF) + wm_low.vtaps = 2; + wm_low.bytes_per_pixel = 4; /* XXX: get this from fb config */ + wm_low.lb_size = lb_size; + wm_low.dram_channels = dram_channels; + wm_low.num_heads = num_heads; /* set for high clocks */ - latency_watermark_a = min(evergreen_latency_watermark(&wm), (u32)65535); + latency_watermark_a = min(evergreen_latency_watermark(&wm_high), (u32)65535); /* set for low clocks */ - /* wm.yclk = low clk; wm.sclk = low clk */ - latency_watermark_b = min(evergreen_latency_watermark(&wm), (u32)65535); + latency_watermark_b = min(evergreen_latency_watermark(&wm_low), (u32)65535); /* possibly force display priority to high */ /* should really do this at mode validation time... */ - if (!evergreen_average_bandwidth_vs_dram_bandwidth_for_display(&wm) || - !evergreen_average_bandwidth_vs_available_bandwidth(&wm) || - !evergreen_check_latency_hiding(&wm) || + if (!evergreen_average_bandwidth_vs_dram_bandwidth_for_display(&wm_high) || + !evergreen_average_bandwidth_vs_available_bandwidth(&wm_high) || + !evergreen_check_latency_hiding(&wm_high) || (rdev->disp_priority == 2)) { - DRM_DEBUG_KMS("force priority to high\n"); + DRM_DEBUG_KMS("force priority a to high\n"); priority_a_cnt |= PRIORITY_ALWAYS_ON; + } + if (!evergreen_average_bandwidth_vs_dram_bandwidth_for_display(&wm_low) || + !evergreen_average_bandwidth_vs_available_bandwidth(&wm_low) || + !evergreen_check_latency_hiding(&wm_low) || + (rdev->disp_priority == 2)) { + DRM_DEBUG_KMS("force priority b to high\n"); priority_b_cnt |= PRIORITY_ALWAYS_ON; } |