tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
drm/exynos: add mode_fixup callback to exynos_drm_crtc_ops
crtc::mode_fixup callback is required by crtcs which internally use
a different mode than requested by user - case of Exynos Mixer.
Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Reviewed-by: Tobias Jakobi <tjakobi@math.uni-bielefeld.de>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
authored by
Andrzej Hajda
and committed by
Inki Dae
2466db97
991ea04e
+18
+15
drivers/gpu/drm/exynos/exynos_drm_crtc.c
+15
drivers/gpu/drm/exynos/exynos_drm_crtc.c
···
95
95
return MODE_OK;
96
96
}
97
97
98
+
static bool exynos_crtc_mode_fixup(struct drm_crtc *crtc,
99
+
const struct drm_display_mode *mode,
100
+
struct drm_display_mode *adjusted_mode)
101
+
{
102
+
struct exynos_drm_crtc *exynos_crtc = to_exynos_crtc(crtc);
103
+
104
+
if (exynos_crtc->ops->mode_fixup)
105
+
return exynos_crtc->ops->mode_fixup(exynos_crtc, mode,
106
+
adjusted_mode);
107
+
108
+
return true;
109
+
}
110
+
111
+
98
112
static const struct drm_crtc_helper_funcs exynos_crtc_helper_funcs = {
99
113
.mode_valid = exynos_crtc_mode_valid,
114
+
.mode_fixup = exynos_crtc_mode_fixup,
100
115
.atomic_check = exynos_crtc_atomic_check,
101
116
.atomic_begin = exynos_crtc_atomic_begin,
102
117
.atomic_flush = exynos_crtc_atomic_flush,
+3
drivers/gpu/drm/exynos/exynos_drm_drv.h
+3
drivers/gpu/drm/exynos/exynos_drm_drv.h
···
136
136
u32 (*get_vblank_counter)(struct exynos_drm_crtc *crtc);
137
137
enum drm_mode_status (*mode_valid)(struct exynos_drm_crtc *crtc,
138
138
const struct drm_display_mode *mode);
139
+
bool (*mode_fixup)(struct exynos_drm_crtc *crtc,
140
+
const struct drm_display_mode *mode,
141
+
struct drm_display_mode *adjusted_mode);
139
142
int (*atomic_check)(struct exynos_drm_crtc *crtc,
140
143
struct drm_crtc_state *state);
141
144
void (*atomic_begin)(struct exynos_drm_crtc *crtc);