drm/amd/display: Refactor dm_get_plane_scale helper

[ Upstream commit ec4d770bbb155674c2497f255f4199bdc42287a9 ]

Cleanup, no functional change intended.

Signed-off-by: Michel Dänzer <mdaenzer@redhat.com>
Signed-off-by: Hamza Mahfooz <hamza.mahfooz@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Stable-dep-of: bc0b79ce2050 ("drm/amd/display: Bail from dm_check_crtc_cursor if no relevant change")
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Michel Dänzer 2023-10-02 16:16:48 +02:00 committed by Greg Kroah-Hartman
parent c9106fb186
commit 0995fb3dd4

View file

@ -9891,6 +9891,17 @@ static void dm_get_oriented_plane_size(struct drm_plane_state *plane_state,
}
}
static void
dm_get_plane_scale(struct drm_plane_state *plane_state,
int *out_plane_scale_w, int *out_plane_scale_h)
{
int plane_src_w, plane_src_h;
dm_get_oriented_plane_size(plane_state, &plane_src_w, &plane_src_h);
*out_plane_scale_w = plane_state->crtc_w * 1000 / plane_src_w;
*out_plane_scale_h = plane_state->crtc_h * 1000 / plane_src_h;
}
static int dm_check_crtc_cursor(struct drm_atomic_state *state,
struct drm_crtc *crtc,
struct drm_crtc_state *new_crtc_state)
@ -9899,8 +9910,6 @@ static int dm_check_crtc_cursor(struct drm_atomic_state *state,
struct drm_plane_state *new_cursor_state, *new_underlying_state;
int i;
int cursor_scale_w, cursor_scale_h, underlying_scale_w, underlying_scale_h;
int cursor_src_w, cursor_src_h;
int underlying_src_w, underlying_src_h;
/* On DCE and DCN there is no dedicated hardware cursor plane. We get a
* cursor per pipe but it's going to inherit the scaling and
@ -9915,9 +9924,7 @@ static int dm_check_crtc_cursor(struct drm_atomic_state *state,
if (!new_cursor_state->fb)
return 0;
dm_get_oriented_plane_size(new_cursor_state, &cursor_src_w, &cursor_src_h);
cursor_scale_w = new_cursor_state->crtc_w * 1000 / cursor_src_w;
cursor_scale_h = new_cursor_state->crtc_h * 1000 / cursor_src_h;
dm_get_plane_scale(new_cursor_state, &cursor_scale_w, &cursor_scale_h);
/* Need to check all enabled planes, even if this commit doesn't change
* their state
@ -9935,10 +9942,8 @@ static int dm_check_crtc_cursor(struct drm_atomic_state *state,
if (!new_underlying_state->fb)
continue;
dm_get_oriented_plane_size(new_underlying_state,
&underlying_src_w, &underlying_src_h);
underlying_scale_w = new_underlying_state->crtc_w * 1000 / underlying_src_w;
underlying_scale_h = new_underlying_state->crtc_h * 1000 / underlying_src_h;
dm_get_plane_scale(new_underlying_state,
&underlying_scale_w, &underlying_scale_h);
if (cursor_scale_w != underlying_scale_w ||
cursor_scale_h != underlying_scale_h) {