My EFI BIOS starts the graphics card up in my projector's preferred EDID mode, 1080@60i. The Intel driver does not clear the interlaced bit:
#define PIPECONF_PROGRESSIVE (0 << 21) #define PIPECONF_INTERLACE_W_FIELD_INDICATION (6 << 21) #define PIPECONF_INTERLACE_FIELD_0_ONLY (7 << 21) Likewise, I suppose that this bit is not set for interlaced modes either, however interlaced modes are discarded anyway. Signed-of-by: Charistian Schmidt <schm...@digadd.de>
diff -ur linux-3.2-rc1.orig/drivers/gpu/drm/i915/intel_display.c linux-3.2-rc1/drivers/gpu/drm/i915/intel_display.c --- linux-3.2-rc1.orig/drivers/gpu/drm/i915/intel_display.c 2011-11-08 01:16:02.000000000 +0100 +++ linux-3.2-rc1/drivers/gpu/drm/i915/intel_display.c 2011-11-13 21:58:22.310791999 +0100 @@ -5136,7 +5136,7 @@ adjusted_mode->crtc_vsync_end -= 1; adjusted_mode->crtc_vsync_start -= 1; } else - pipeconf &= ~PIPECONF_INTERLACE_W_FIELD_INDICATION; /* progressive */ + pipeconf &= ~PIPECONF_INTERLACE_FIELD_0_ONLY; /* progressive */ I915_WRITE(HTOTAL(pipe), (adjusted_mode->crtc_hdisplay - 1) |
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