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Wed, 3 Apr 2019 11:25:19 +0200 Received: from localhost (10.201.23.97) by webmail-ga.st.com (10.75.90.48) with Microsoft SMTP Server (TLS) id 14.3.435.0; Wed, 3 Apr 2019 11:25:16 +0200 From: =?utf-8?q?Yannick_Fertr=C3=A9?= To: Yannick Fertre , Philippe Cornu , Benjamin Gaignard , Vincent Abriou , David Airlie , Daniel Vetter , Maxime Coquelin , Alexandre Torgue , , , , Subject: [PATCH] drm/stm: ltdc: add modifier support Date: Wed, 3 Apr 2019 11:25:14 +0200 Message-ID: <1554283514-2960-1-git-send-email-yannick.fertre@st.com> X-Mailer: git-send-email 2.7.4 MIME-Version: 1.0 X-Originating-IP: [10.201.23.97] X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:, , definitions=2019-04-03_05:, , signatures=0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190403_022525_062933_9DD4A373 X-CRM114-Status: GOOD ( 11.35 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP Signed-off-by: Mickael Reulier Signed-off-by: Yannick Fertré Acked-by: Philippe Cornu --- drivers/gpu/drm/stm/ltdc.c | 21 ++++++++++++++++++++- 1 file changed, 20 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/stm/ltdc.c b/drivers/gpu/drm/stm/ltdc.c index b1741a9..6fa8fbc 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; @@ -1179,6 +1196,8 @@ 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");