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drm/tegra: Convert to using __drm_atomic_helper_crtc_reset() for reset.

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Convert tegra to using __drm_atomic_helper_crtc_reset(), instead of
writing its own version. Instead of open coding destroy_state(),
call it directly for freeing the old state.

Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Cc: Thierry Reding <thierry.reding@gmail.com>
Cc: Jonathan Hunter <jonathanh@nvidia.com>
Cc: linux-tegra@vger.kernel.org
[mlankhorst: Keep tegra_crtc_reset at the same place and predeclare
 tegra_crtc_atomic_destroy_state (tagr)]
Acked-by: Thierry Reding <treding@nvidia.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190301125627.7285-15-maarten.lankhorst@linux.intel.com
This commit is contained in:
Maarten Lankhorst 2019-03-01 13:56:24 +01:00
parent 01e2eaf40c
commit b7e0b04ae4
1 changed files with 6 additions and 11 deletions
repo.diff.show_diff_stats Download patch file Download diff file Expand all files Collapse all files

17
drivers/gpu/drm/tegra/dc.c
View file

@ -26,6 +26,9 @@
#include <drm/drm_atomic_helper.h>
#include <drm/drm_plane_helper.h>
static void tegra_crtc_atomic_destroy_state(struct drm_crtc *crtc,
struct drm_crtc_state *state);
static void tegra_dc_stats_reset(struct tegra_dc_stats *stats)
{
stats->frames = 0;
@ -1155,20 +1158,12 @@ static void tegra_dc_destroy(struct drm_crtc *crtc)
static void tegra_crtc_reset(struct drm_crtc *crtc)
{
struct tegra_dc_state *state;
struct tegra_dc_state *state = kzalloc(sizeof(*state), GFP_KERNEL);
if (crtc->state)
__drm_atomic_helper_crtc_destroy_state(crtc->state);
kfree(crtc->state);
crtc->state = NULL;
state = kzalloc(sizeof(*state), GFP_KERNEL);
if (state) {
crtc->state = &state->base;
crtc->state->crtc = crtc;
}
tegra_crtc_atomic_destroy_state(crtc, crtc->state);
__drm_atomic_helper_crtc_reset(crtc, &state->base);
drm_crtc_vblank_reset(crtc);
}