From: Daniel Vetter Date: Sat, 28 Jan 2012 13:49:21 +0000 (+0100) Subject: drm/i915: fixup interlaced vertical timings confusion, part 2 X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=99fca60c76ffbdbf64aa00abf671014f711aea0e;p=linux-beck.git drm/i915: fixup interlaced vertical timings confusion, part 2 According to bspec, we need to subtract an additional line from vtotal for interlaced modes and vblank_end needs to equal vtotal. All other timing fields do not need this special treatment, so kill it. Bspec says that this is irrespective of whether the interlaced mode has an odd or even vtotal, both modes are supported. Reviewed-by: Eugeni Dodonov Reviewed-by: Paulo Zanoni Tested-by: Paulo Zanoni Tested-by: Christopher Egert Tested-by: Alfonso Fiore Signed-off-by: Daniel Vetter --- diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index 41d4e82f412a..dc765a60a7e7 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -5388,12 +5388,8 @@ static int i9xx_crtc_mode_set(struct drm_crtc *crtc, if (adjusted_mode->flags & DRM_MODE_FLAG_INTERLACE) { pipeconf |= PIPECONF_INTERLACE_W_FIELD_INDICATION; /* the chip adds 2 halflines automatically */ - adjusted_mode->crtc_vdisplay -= 1; adjusted_mode->crtc_vtotal -= 1; - adjusted_mode->crtc_vblank_start -= 1; adjusted_mode->crtc_vblank_end -= 1; - adjusted_mode->crtc_vsync_end -= 1; - adjusted_mode->crtc_vsync_start -= 1; } else pipeconf |= PIPECONF_PROGRESSIVE; @@ -5981,12 +5977,8 @@ static int ironlake_crtc_mode_set(struct drm_crtc *crtc, if (adjusted_mode->flags & DRM_MODE_FLAG_INTERLACE) { pipeconf |= PIPECONF_INTERLACE_W_FIELD_INDICATION; /* the chip adds 2 halflines automatically */ - adjusted_mode->crtc_vdisplay -= 1; adjusted_mode->crtc_vtotal -= 1; - adjusted_mode->crtc_vblank_start -= 1; adjusted_mode->crtc_vblank_end -= 1; - adjusted_mode->crtc_vsync_end -= 1; - adjusted_mode->crtc_vsync_start -= 1; } else pipeconf |= PIPECONF_PROGRESSIVE;