diff options
| author | Yannick Fertré <yannick.fertre@st.com> | 2019-04-03 12:25:14 +0300 |
|---|---|---|
| committer | Benjamin Gaignard <benjamin.gaignard@linaro.org> | 2019-04-24 15:22:28 +0300 |
| commit | e7c03dbaaaf8274e46519c100d691d0153209613 (patch) | |
| tree | f36b53994cf9105a2cbdde4ee653d09e704fb403 /drivers/gpu/drm/stm/ltdc.c | |
| parent | f42f540b9d0c16ffc0dd15a2d5c5f837bb7441c2 (diff) | |
| download | linux-e7c03dbaaaf8274e46519c100d691d0153209613.tar.xz | |
drm/stm: ltdc: add modifier support
Add support of DRM_FORMAT_MOD_LINEAR modifier.
Signed-off-by: Mickael Reulier <mickael.reulier@st.com>
Signed-off-by: Yannick Fertré <yannick.fertre@st.com>
Acked-by: Philippe Cornu <philippe.cornu@st.com>
Link: https://patchwork.freedesktop.org/patch/msgid/1554283514-2960-1-git-send-email-yannick.fertre@st.com
Signed-off-by: Benjamin Gaignard <benjamin.gaignard@linaro.org>
Diffstat (limited to 'drivers/gpu/drm/stm/ltdc.c')
| -rw-r--r-- | drivers/gpu/drm/stm/ltdc.c | 21 |
1 files changed, 20 insertions, 1 deletions
diff --git a/drivers/gpu/drm/stm/ltdc.c b/drivers/gpu/drm/stm/ltdc.c index 21a821ee065a..566b0d8af9b1 100644 --- a/drivers/gpu/drm/stm/ltdc.c +++ b/drivers/gpu/drm/stm/ltdc.c @@ -232,6 +232,11 @@ static const enum ltdc_pix_fmt ltdc_pix_fmt_a1[NB_PF] = { PF_ARGB4444 /* 0x07 */ }; +static const u64 ltdc_format_modifiers[] = { + DRM_FORMAT_MOD_LINEAR, + DRM_FORMAT_MOD_INVALID +}; + static inline u32 reg_read(void __iomem *base, u32 reg) { return readl_relaxed(base + reg); @@ -864,6 +869,16 @@ static void ltdc_plane_atomic_print_state(struct drm_printer *p, fpsi->counter = 0; } +static bool ltdc_plane_format_mod_supported(struct drm_plane *plane, + u32 format, + u64 modifier) +{ + if (modifier == DRM_FORMAT_MOD_LINEAR) + return true; + + return false; +} + static const struct drm_plane_funcs ltdc_plane_funcs = { .update_plane = drm_atomic_helper_update_plane, .disable_plane = drm_atomic_helper_disable_plane, @@ -872,6 +887,7 @@ static const struct drm_plane_funcs ltdc_plane_funcs = { .atomic_duplicate_state = drm_atomic_helper_plane_duplicate_state, .atomic_destroy_state = drm_atomic_helper_plane_destroy_state, .atomic_print_state = ltdc_plane_atomic_print_state, + .format_mod_supported = ltdc_plane_format_mod_supported, }; static const struct drm_plane_helper_funcs ltdc_plane_helper_funcs = { @@ -890,6 +906,7 @@ static struct drm_plane *ltdc_plane_create(struct drm_device *ddev, unsigned int i, nb_fmt = 0; u32 formats[NB_PF * 2]; u32 drm_fmt, drm_fmt_no_alpha; + const u64 *modifiers = ltdc_format_modifiers; int ret; /* Get supported pixel formats */ @@ -918,7 +935,7 @@ static struct drm_plane *ltdc_plane_create(struct drm_device *ddev, ret = drm_universal_plane_init(ddev, plane, possible_crtcs, <dc_plane_funcs, formats, nb_fmt, - NULL, type, NULL); + modifiers, type, NULL); if (ret < 0) return NULL; @@ -1207,6 +1224,8 @@ int ltdc_load(struct drm_device *ddev) goto err; } + ddev->mode_config.allow_fb_modifiers = true; + ret = ltdc_crtc_init(ddev, crtc); if (ret) { DRM_ERROR("Failed to init crtc\n"); |