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drm/i915: dump crtc timings from the pipe config

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I always get royally confused how a modeline with all zeros could
possible pass the paranoid pipe config checker. Until I realize again
that we only check the crtc timings. So dump the crtc timings for the
adjusted mode.

This will be even more important for 3D support where the crtc timings
are markedly different from the input modeline if we have
frame-by-frame 3d output enabled.

Cc: Damien Lespiau <damien.lespiau@intel.com>
Reviewed-by: Damien Lespiau <damien.lespiau@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Daniel Vetter 2013-09-19 14:53:58 +02:00
parent 912e8b12ee
commit 644db711d3
1 changed files with 12 additions and 0 deletions
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12
drivers/gpu/drm/i915/intel_display.c
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@ -8333,6 +8333,17 @@ compute_baseline_pipe_bpp(struct intel_crtc *crtc,
return bpp;
}
static void intel_dump_crtc_timings(const struct drm_display_mode *mode)
{
DRM_DEBUG_KMS("crtc timings: %d %d %d %d %d %d %d %d %d, "
"type: 0x%x flags: 0x%x\n",
mode->clock,
mode->crtc_hdisplay, mode->crtc_hsync_start,
mode->crtc_hsync_end, mode->crtc_htotal,
mode->crtc_vdisplay, mode->crtc_vsync_start,
mode->crtc_vsync_end, mode->crtc_vtotal, mode->type, mode->flags);
}
static void intel_dump_pipe_config(struct intel_crtc *crtc,
struct intel_crtc_config *pipe_config,
const char *context)
@ -8358,6 +8369,7 @@ static void intel_dump_pipe_config(struct intel_crtc *crtc,
drm_mode_debug_printmodeline(&pipe_config->requested_mode);
DRM_DEBUG_KMS("adjusted mode:\n");
drm_mode_debug_printmodeline(&pipe_config->adjusted_mode);
intel_dump_crtc_timings(&pipe_config->adjusted_mode);
DRM_DEBUG_KMS("port clock: %d\n", pipe_config->port_clock);
DRM_DEBUG_KMS("pipe src size: %dx%d\n",
pipe_config->pipe_src_w, pipe_config->pipe_src_h);