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authorDave Airlie <airlied@redhat.com>2019-09-26 08:48:16 +1000
committerDave Airlie <airlied@redhat.com>2019-09-26 08:48:23 +1000
commitda3fce4af75d4ddeec078b651b1dac80eb2b5e73 (patch)
tree07eabea23157cfa72210c3409f129dae33d2d6d3 /drivers/gpu/drm/drm_atomic_helper.c
parent945b584c94f8c665b2df3834a8a6a8faf256cd5f (diff)
parent65e51e30d8625c82ddfe405da46124e9bbffaa71 (diff)
downloadtalos-op-linux-da3fce4af75d4ddeec078b651b1dac80eb2b5e73.tar.gz
talos-op-linux-da3fce4af75d4ddeec078b651b1dac80eb2b5e73.zip
Merge tag 'drm-misc-next-fixes-2019-09-23' of git://anongit.freedesktop.org/drm/drm-misc into drm-next
- Multiple panfrost fixes for regulator support and page fault handling - Some cleanups and fixes in the self-refresh helpers - Some cleanups and fixes in the atomic helpers Signed-off-by: Dave Airlie <airlied@redhat.com> From: Maxime Ripard <mripard@kernel.org> Link: https://patchwork.freedesktop.org/patch/msgid/20190923160946.nvaqiw5j7fpcdhc7@gilmour
Diffstat (limited to 'drivers/gpu/drm/drm_atomic_helper.c')
-rw-r--r--drivers/gpu/drm/drm_atomic_helper.c22
1 files changed, 21 insertions, 1 deletions
diff --git a/drivers/gpu/drm/drm_atomic_helper.c b/drivers/gpu/drm/drm_atomic_helper.c
index aa16ea17ff9b..3ef2ac52ce94 100644
--- a/drivers/gpu/drm/drm_atomic_helper.c
+++ b/drivers/gpu/drm/drm_atomic_helper.c
@@ -26,6 +26,7 @@
*/
#include <linux/dma-fence.h>
+#include <linux/ktime.h>
#include <drm/drm_atomic.h>
#include <drm/drm_atomic_helper.h>
@@ -1580,9 +1581,23 @@ static void commit_tail(struct drm_atomic_state *old_state)
{
struct drm_device *dev = old_state->dev;
const struct drm_mode_config_helper_funcs *funcs;
+ ktime_t start;
+ s64 commit_time_ms;
funcs = dev->mode_config.helper_private;
+ /*
+ * We're measuring the _entire_ commit, so the time will vary depending
+ * on how many fences and objects are involved. For the purposes of self
+ * refresh, this is desirable since it'll give us an idea of how
+ * congested things are. This will inform our decision on how often we
+ * should enter self refresh after idle.
+ *
+ * These times will be averaged out in the self refresh helpers to avoid
+ * overreacting over one outlier frame
+ */
+ start = ktime_get();
+
drm_atomic_helper_wait_for_fences(dev, old_state, false);
drm_atomic_helper_wait_for_dependencies(old_state);
@@ -1592,6 +1607,11 @@ static void commit_tail(struct drm_atomic_state *old_state)
else
drm_atomic_helper_commit_tail(old_state);
+ commit_time_ms = ktime_ms_delta(ktime_get(), start);
+ if (commit_time_ms > 0)
+ drm_self_refresh_helper_update_avg_times(old_state,
+ (unsigned long)commit_time_ms);
+
drm_atomic_helper_commit_cleanup_done(old_state);
drm_atomic_state_put(old_state);
@@ -3275,7 +3295,7 @@ static int page_flip_common(struct drm_atomic_state *state,
return PTR_ERR(crtc_state);
crtc_state->event = event;
- crtc_state->pageflip_flags = flags;
+ crtc_state->async_flip = flags & DRM_MODE_PAGE_FLIP_ASYNC;
plane_state = drm_atomic_get_plane_state(state, plane);
if (IS_ERR(plane_state))
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