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[94.179.28.72]) by smtp.gmail.com with ESMTPSA id a12sm655820ljk.34.2021.05.28.13.30.59 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 28 May 2021 13:31:00 -0700 (PDT) From: Roman Stratiienko To: linux-kernel@vger.kernel.org Subject: [PATCH v4 1/2] drm/sun4i: Add mode_set callback to the engine Date: Fri, 28 May 2021 23:30:35 +0300 Message-Id: <20210528203036.17999-2-r.stratiienko@gmail.com> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20210528203036.17999-1-r.stratiienko@gmail.com> References: <20210528203036.17999-1-r.stratiienko@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Mailman-Approved-At: Sat, 29 May 2021 10:14:11 +0000 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: megous@megous.com, jernej.skrabec@siol.net, linux-sunxi@googlegroups.com, dri-devel@lists.freedesktop.org, wens@csie.org, Roman Stratiienko Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" Create callback to allow updating engine's registers on mode change. Signed-off-by: Roman Stratiienko Reviewed-by: Jernej Skrabec --- drivers/gpu/drm/sun4i/sun4i_crtc.c | 3 +++ drivers/gpu/drm/sun4i/sunxi_engine.h | 12 ++++++++++++ 2 files changed, 15 insertions(+) diff --git a/drivers/gpu/drm/sun4i/sun4i_crtc.c b/drivers/gpu/drm/sun4i/sun4i_crtc.c index 45d9eb552d86..8f01a6b2bbef 100644 --- a/drivers/gpu/drm/sun4i/sun4i_crtc.c +++ b/drivers/gpu/drm/sun4i/sun4i_crtc.c @@ -146,6 +146,9 @@ static void sun4i_crtc_mode_set_nofb(struct drm_crtc *crtc) struct sun4i_crtc *scrtc = drm_crtc_to_sun4i_crtc(crtc); sun4i_tcon_mode_set(scrtc->tcon, encoder, mode); + + if (scrtc->engine->ops->mode_set) + scrtc->engine->ops->mode_set(scrtc->engine, mode); } static const struct drm_crtc_helper_funcs sun4i_crtc_helper_funcs = { diff --git a/drivers/gpu/drm/sun4i/sunxi_engine.h b/drivers/gpu/drm/sun4i/sunxi_engine.h index 548710a936d5..7faa844646ff 100644 --- a/drivers/gpu/drm/sun4i/sunxi_engine.h +++ b/drivers/gpu/drm/sun4i/sunxi_engine.h @@ -9,6 +9,7 @@ struct drm_plane; struct drm_device; struct drm_crtc_state; +struct drm_display_mode; struct sunxi_engine; @@ -108,6 +109,17 @@ struct sunxi_engine_ops { * This function is optional. */ void (*vblank_quirk)(struct sunxi_engine *engine); + + /** + * @mode_set: + * + * This callback is used to update engine registers that + * responsible for display frame size and other mode attributes. + * + * This function is optional. + */ + void (*mode_set)(struct sunxi_engine *engine, + struct drm_display_mode *mode); }; /** -- 2.30.2