From: Ville Syrjälä Date: Wed, 4 Sep 2013 15:30:06 +0000 (+0300) Subject: drm/i915: Fix up pipe vs. double wide confusion X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=b397c96b6d6478910cd4263af3124ee07d304e8b;p=linux-beck.git drm/i915: Fix up pipe vs. double wide confusion Double wide mode is only available on pipe A, except on GDG where pipe B is also double wide capable. Signed-off-by: Ville Syrjälä Signed-off-by: Daniel Vetter --- diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index 9bbb6ea34d06..4dd6561cb7c8 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -4153,10 +4153,10 @@ static int intel_crtc_compute_config(struct intel_crtc *crtc, * Enable pixel doubling when the dot clock * is > 90% of the (display) core speed. * - * XXX: No double-wide on 915GM pipe B. Is that - * the only reason for the pipe == PIPE_A check? + * GDG double wide on either pipe, + * otherwise pipe A only. */ - if (crtc->pipe == PIPE_A && + if ((crtc->pipe == PIPE_A || IS_I915G(dev)) && adjusted_mode->clock > clock_limit * 9 / 10) { clock_limit *= 2; pipe_config->double_wide = true;