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Thu, 5 Nov 2020 08:56:58 -0500 (EST) From: Maxime Ripard To: Eric Anholt , Maarten Lankhorst , Thomas Zimmermann , Maxime Ripard , Daniel Vetter , David Airlie , Mark Rutland , Rob Herring , Frank Rowand Subject: [PATCH v3 0/7] drm/vc4: Rework the HVS muxing code Date: Thu, 5 Nov 2020 14:56:49 +0100 Message-Id: <20201105135656.383350-1-maxime@cerno.tech> X-Mailer: git-send-email 2.28.0 MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20201105_085706_981524_D579E6D1 X-CRM114-Status: GOOD ( 11.08 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, Tim Gover , Dave Stevenson , dri-devel@lists.freedesktop.org, Hoegeun Kwon , bcm-kernel-feedback-list@broadcom.com, linux-rpi-kernel@lists.infradead.org, Phil Elwell , linux-arm-kernel@lists.infradead.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Hi, Here's a second attempt at fixing the current issues we have with the muxing code that results in a PV muxing its HVS muxing when only another CRTC is modified by a state, or vblank timeouts when trying to wait for a vblank on a single CRTC while another one is inactive but enabled. Let me know what you think, Maxime Changes from v1: - Dropped the code trying to access all the CRTCs (whether in the state or not) state - Added Hoegeun Kwon's tags - Fixed a build bisection error - Cleaned up the private state using drmm_add_action_or_reset - Rebased on current linux next Maxime Ripard (7): drm/vc4: kms: Switch to drmm_add_action_or_reset drm/vc4: kms: Remove useless define drm/vc4: kms: Rename NUM_CHANNELS drm/vc4: kms: Split the HVS muxing check in a separate function drm/vc4: kms: Document the muxing corner cases drm/vc4: kms: Store the unassigned channel list in the state drm/vc4: kms: Don't disable the muxing of an active CRTC drivers/gpu/drm/vc4/vc4_drv.h | 2 + drivers/gpu/drm/vc4/vc4_kms.c | 247 +++++++++++++++++++++++++--------- 2 files changed, 185 insertions(+), 64 deletions(-) -- 2.28.0 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel