Attachment 112228 Details for Bug 87796 – add some debugging output

[patch] add some debugging output

dpm_vblank_dump.diff (text/plain), 1.63 KB, created by Alex Deucher on 2015-01-14 17:05:57 UTC

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Creator: Alex Deucher

Created: 2015-01-14 17:05:57 UTC

Size: 1.63 KB

patch

obsolete

>diff --git a/drivers/gpu/drm/radeon/ci_dpm.c b/drivers/gpu/drm/radeon/ci_dpm.c
>index 9d4699b..22f602d 100644
>--- a/drivers/gpu/drm/radeon/ci_dpm.c
>+++ b/drivers/gpu/drm/radeon/ci_dpm.c
>@@ -776,6 +776,8 @@ bool ci_dpm_vblank_too_short(struct radeon_device *rdev)
> 	u32 vblank_time = r600_dpm_get_vblank_time(rdev);
> 	u32 switch_limit = pi->mem_gddr5 ? 450 : 300;
> 
>+	printk("vblank_time: %d, switch_limit: %d\n", vblank_time, switch_limit);
>+
> 	if (vblank_time < switch_limit)
> 		return true;
> 	else
>diff --git a/drivers/gpu/drm/radeon/r600_dpm.c b/drivers/gpu/drm/radeon/r600_dpm.c
>index 843b65f..d46dd92 100644
>--- a/drivers/gpu/drm/radeon/r600_dpm.c
>+++ b/drivers/gpu/drm/radeon/r600_dpm.c
>@@ -169,6 +169,21 @@ u32 r600_dpm_get_vblank_time(struct radeon_device *rdev)
> 					radeon_crtc->hw_mode.crtc_vdisplay +
> 					(radeon_crtc->v_border * 2);
> 				vblank_time_us = vblank_lines * line_time_us;
>+				printk("-- %dx%d --\n",
>+				       radeon_crtc->hw_mode.crtc_hdisplay,
>+				       radeon_crtc->hw_mode.crtc_vdisplay);
>+				printk("radeon_crtc->hw_mode.crtc_htotal: %d\n",
>+				       radeon_crtc->hw_mode.crtc_htotal);
>+				printk("radeon_crtc->hw_mode.clock: %d\n",
>+				       radeon_crtc->hw_mode.clock);
>+				printk("radeon_crtc->hw_mode.crtc_vblank_end: %d\n",
>+				       radeon_crtc->hw_mode.crtc_vblank_end);
>+				printk("radeon_crtc->hw_mode.crtc_vdisplay: %d\n",
>+				       radeon_crtc->hw_mode.crtc_vdisplay);
>+				printk("radeon_crtc->v_border: %d\n", radeon_crtc->v_border);
>+				printk("vblank_time_us: %d\n", vblank_time_us);
>+				printk("vblank_lines: %d\n", vblank_lines);
>+				printk("line_time_us: %d\n", line_time_us);
> 				break;
> 			}
> 		}

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Attachments on bug 87796: 111427 | 112180 | 112181 | 112228 | 113617 | 113618 | 114443 | 114452

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