From: Tomeu Vizoso Date: Tue, 10 Jan 2017 13:43:05 +0000 (+0100) Subject: drm/i915: Put "cooked" vlank counters in frame CRC lines X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=246ee524a2846fc0f32b8ac9d846bc93e38851e8;p=linux-beck.git drm/i915: Put "cooked" vlank counters in frame CRC lines Use drm_accurate_vblank_count so we have the full 32 bit to represent the frame counter and userspace has a simpler way of knowing when the counter wraps around. Signed-off-by: Tomeu Vizoso Reviewed-by: Emil Velikov Reviewed-by: Robert Foss Signed-off-by: Daniel Vetter Link: http://patchwork.freedesktop.org/patch/msgid/20170110134305.26326-3-tomeu.vizoso@collabora.com --- diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c index b9beb5955dae..75fb1f66cc0c 100644 --- a/drivers/gpu/drm/i915/i915_irq.c +++ b/drivers/gpu/drm/i915/i915_irq.c @@ -1557,7 +1557,6 @@ static void display_pipe_crc_irq_handler(struct drm_i915_private *dev_priv, struct drm_driver *driver = dev_priv->drm.driver; uint32_t crcs[5]; int head, tail; - u32 frame; spin_lock(&pipe_crc->lock); if (pipe_crc->source) { @@ -1612,8 +1611,9 @@ static void display_pipe_crc_irq_handler(struct drm_i915_private *dev_priv, crcs[2] = crc2; crcs[3] = crc3; crcs[4] = crc4; - frame = driver->get_vblank_counter(&dev_priv->drm, pipe); - drm_crtc_add_crc_entry(&crtc->base, true, frame, crcs); + drm_crtc_add_crc_entry(&crtc->base, true, + drm_accurate_vblank_count(&crtc->base), + crcs); } } #else