From: Karthik B S <karthik.b.s@intel.com> To: intel-gfx@lists.freedesktop.org Cc: paulo.r.zanoni@intel.com, michel@daenzer.net, Karthik B S <karthik.b.s@intel.com>, dri-devel@lists.freedesktop.org, vandita.kulkarni@intel.com, uma.shankar@intel.com, daniel.vetter@intel.com, nicholas.kazlauskas@amd.com Subject: [PATCH v8 0/8] Asynchronous flip implementation for i915 Date: Mon, 14 Sep 2020 11:26:25 +0530 [thread overview] Message-ID: <20200914055633.21109-1-karthik.b.s@intel.com> (raw) Without async flip support in the kernel, fullscreen apps where game resolution is equal to the screen resolution, must perform an extra blit per frame prior to flipping. Asynchronous page flips will also boost the FPS of Mesa benchmarks. v2: -Few patches have been squashed and patches have been shuffled as per the reviews on the previous version. v3: -Few patches have been squashed and patches have been shuffled as per the reviews on the previous version. v4: -Made changes to fix the sequence and time stamp issue as per the comments received on the previous version. -Timestamps are calculated using the flip done time stamp and current timestamp. Here I915_MODE_FLAG_GET_SCANLINE_FROM_TIMESTAMP flag is used for timestamp calculations. -Event is sent from the interrupt handler immediately using this updated timestamps and sequence. -Added more state checks as async flip should only allow change in plane surface address and nothing else should be allowed to change. -Added a separate plane hook for async flip. -Need to find a way to reject fbc enabling if it comes as part of this flip as bspec states that changes to FBC are not allowed. v5: -Fixed the Checkpatch and sparse warnings. v6: -Reverted back to the old timestamping code as per the feedback received. -Added documentation. v7: -Changes in intel_atomic_check_async() -Add vfunc for skl_program_async_surface_address() v8: -Add WA for older platforms with double buffered async address update enable bit. Test-with: <20200908061001.20302-1-karthik.b.s@intel.com> Karthik B S (8): drm/i915: Add enable/disable flip done and flip done handler drm/i915: Add support for async flips in I915 drm/i915: Add checks specific to async flips drm/i915: Do not call drm_crtc_arm_vblank_event in async flips drm/i915: Add dedicated plane hook for async flip case drm/i915: WA for platforms with double buffered adress update enable bit Documentation/gpu: Add asynchronous flip documentation for i915 drm/i915: Enable async flips in i915 Documentation/gpu/i915.rst | 6 + .../gpu/drm/i915/display/intel_atomic_plane.c | 7 + drivers/gpu/drm/i915/display/intel_display.c | 201 ++++++++++++++++++ .../drm/i915/display/intel_display_types.h | 3 + drivers/gpu/drm/i915/display/intel_sprite.c | 30 +++ drivers/gpu/drm/i915/i915_irq.c | 52 +++++ drivers/gpu/drm/i915/i915_irq.h | 2 + drivers/gpu/drm/i915/i915_reg.h | 1 + 8 files changed, 302 insertions(+) -- 2.22.0 _______________________________________________ dri-devel mailing list dri-devel@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/dri-devel
WARNING: multiple messages have this Message-ID (diff)
From: Karthik B S <karthik.b.s@intel.com> To: intel-gfx@lists.freedesktop.org Cc: paulo.r.zanoni@intel.com, michel@daenzer.net, dri-devel@lists.freedesktop.org, daniel.vetter@intel.com, harry.wentland@amd.com, nicholas.kazlauskas@amd.com Subject: [Intel-gfx] [PATCH v8 0/8] Asynchronous flip implementation for i915 Date: Mon, 14 Sep 2020 11:26:25 +0530 [thread overview] Message-ID: <20200914055633.21109-1-karthik.b.s@intel.com> (raw) Without async flip support in the kernel, fullscreen apps where game resolution is equal to the screen resolution, must perform an extra blit per frame prior to flipping. Asynchronous page flips will also boost the FPS of Mesa benchmarks. v2: -Few patches have been squashed and patches have been shuffled as per the reviews on the previous version. v3: -Few patches have been squashed and patches have been shuffled as per the reviews on the previous version. v4: -Made changes to fix the sequence and time stamp issue as per the comments received on the previous version. -Timestamps are calculated using the flip done time stamp and current timestamp. Here I915_MODE_FLAG_GET_SCANLINE_FROM_TIMESTAMP flag is used for timestamp calculations. -Event is sent from the interrupt handler immediately using this updated timestamps and sequence. -Added more state checks as async flip should only allow change in plane surface address and nothing else should be allowed to change. -Added a separate plane hook for async flip. -Need to find a way to reject fbc enabling if it comes as part of this flip as bspec states that changes to FBC are not allowed. v5: -Fixed the Checkpatch and sparse warnings. v6: -Reverted back to the old timestamping code as per the feedback received. -Added documentation. v7: -Changes in intel_atomic_check_async() -Add vfunc for skl_program_async_surface_address() v8: -Add WA for older platforms with double buffered async address update enable bit. Test-with: <20200908061001.20302-1-karthik.b.s@intel.com> Karthik B S (8): drm/i915: Add enable/disable flip done and flip done handler drm/i915: Add support for async flips in I915 drm/i915: Add checks specific to async flips drm/i915: Do not call drm_crtc_arm_vblank_event in async flips drm/i915: Add dedicated plane hook for async flip case drm/i915: WA for platforms with double buffered adress update enable bit Documentation/gpu: Add asynchronous flip documentation for i915 drm/i915: Enable async flips in i915 Documentation/gpu/i915.rst | 6 + .../gpu/drm/i915/display/intel_atomic_plane.c | 7 + drivers/gpu/drm/i915/display/intel_display.c | 201 ++++++++++++++++++ .../drm/i915/display/intel_display_types.h | 3 + drivers/gpu/drm/i915/display/intel_sprite.c | 30 +++ drivers/gpu/drm/i915/i915_irq.c | 52 +++++ drivers/gpu/drm/i915/i915_irq.h | 2 + drivers/gpu/drm/i915/i915_reg.h | 1 + 8 files changed, 302 insertions(+) -- 2.22.0 _______________________________________________ Intel-gfx mailing list Intel-gfx@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/intel-gfx
next reply other threads:[~2020-09-14 6:22 UTC|newest] Thread overview: 52+ messages / expand[flat|nested] mbox.gz Atom feed top 2020-09-14 5:56 Karthik B S [this message] 2020-09-14 5:56 ` [Intel-gfx] [PATCH v8 0/8] Asynchronous flip implementation for i915 Karthik B S 2020-09-14 5:56 ` [PATCH v8 1/8] drm/i915: Add enable/disable flip done and flip done handler Karthik B S 2020-09-14 5:56 ` [Intel-gfx] " Karthik B S 2020-09-15 13:47 ` Ville Syrjälä 2020-09-15 13:47 ` [Intel-gfx] " Ville Syrjälä 2020-09-16 12:36 ` Karthik B S 2020-09-16 12:36 ` [Intel-gfx] " Karthik B S 2020-09-14 5:56 ` [PATCH v8 2/8] drm/i915: Add support for async flips in I915 Karthik B S 2020-09-14 5:56 ` [Intel-gfx] " Karthik B S 2020-09-15 13:48 ` Ville Syrjälä 2020-09-15 13:48 ` [Intel-gfx] " Ville Syrjälä 2020-09-16 12:38 ` Karthik B S 2020-09-16 12:38 ` [Intel-gfx] " Karthik B S 2020-09-14 5:56 ` [PATCH v8 3/8] drm/i915: Add checks specific to async flips Karthik B S 2020-09-14 5:56 ` [Intel-gfx] " Karthik B S 2020-09-15 14:03 ` Ville Syrjälä 2020-09-15 14:03 ` [Intel-gfx] " Ville Syrjälä 2020-09-16 12:44 ` Karthik B S 2020-09-16 12:44 ` [Intel-gfx] " Karthik B S 2020-09-14 5:56 ` [PATCH v8 4/8] drm/i915: Do not call drm_crtc_arm_vblank_event in " Karthik B S 2020-09-14 5:56 ` [Intel-gfx] " Karthik B S 2020-09-15 14:07 ` Ville Syrjälä 2020-09-15 14:07 ` [Intel-gfx] " Ville Syrjälä 2020-09-16 12:46 ` Karthik B S 2020-09-16 12:46 ` [Intel-gfx] " Karthik B S 2020-09-14 5:56 ` [PATCH v8 5/8] drm/i915: Add dedicated plane hook for async flip case Karthik B S 2020-09-14 5:56 ` [Intel-gfx] " Karthik B S 2020-09-15 14:10 ` Ville Syrjälä 2020-09-15 14:10 ` [Intel-gfx] " Ville Syrjälä 2020-09-16 12:48 ` Karthik B S 2020-09-16 12:48 ` [Intel-gfx] " Karthik B S 2020-09-15 14:41 ` Ville Syrjälä 2020-09-15 14:41 ` [Intel-gfx] " Ville Syrjälä 2020-09-16 13:00 ` Karthik B S 2020-09-16 13:00 ` [Intel-gfx] " Karthik B S 2020-09-16 15:52 ` Karthik B S 2020-09-16 15:52 ` [Intel-gfx] " Karthik B S 2020-09-14 5:56 ` [PATCH v8 6/8] drm/i915: WA for platforms with double buffered adress update enable bit Karthik B S 2020-09-14 5:56 ` [Intel-gfx] " Karthik B S 2020-09-15 14:19 ` Ville Syrjälä 2020-09-15 14:19 ` [Intel-gfx] " Ville Syrjälä 2020-09-16 12:54 ` Karthik B S 2020-09-16 12:54 ` [Intel-gfx] " Karthik B S 2020-09-14 5:56 ` [PATCH v8 7/8] Documentation/gpu: Add asynchronous flip documentation for i915 Karthik B S 2020-09-14 5:56 ` [Intel-gfx] " Karthik B S 2020-09-14 5:56 ` [PATCH v8 8/8] drm/i915: Enable async flips in i915 Karthik B S 2020-09-14 5:56 ` [Intel-gfx] " Karthik B S 2020-09-14 11:22 ` [Intel-gfx] ✗ Fi.CI.CHECKPATCH: warning for Asynchronous flip implementation for i915 (rev8) Patchwork 2020-09-14 11:23 ` [Intel-gfx] ✗ Fi.CI.SPARSE: " Patchwork 2020-09-14 11:45 ` [Intel-gfx] ✓ Fi.CI.BAT: success " Patchwork 2020-09-14 13:12 ` [Intel-gfx] ✓ Fi.CI.IGT: " Patchwork
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