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2022-09-02drm/edid: Handle EDID 1.4 range descriptor h/vfreq offsetsVille Syrjälä2-2/+7
EDID 1.4 introduced some extra flags in the range descriptor to support min/max h/vfreq >= 255. Consult them to correctly parse the vfreq limits. Note that some combinations of the flags are documented as "reserved" (as are some other values in the descriptor) but explicitly checking for those doesn't seem particularly worthwile since we end up with bogus results whether we decode them or not. v2: Increase the storage to u16 to make it work (Jani) Note the "reserved" values situation (Jani) v3: Document the EDID version number in the defines Drop some bogus (u8) casts Cc: stable@vger.kernel.org Closes: https://gitlab.freedesktop.org/drm/intel/-/issues/6519 References: https://gitlab.freedesktop.org/drm/intel/-/issues/6484 Reviewed-by: Jani Nikula <jani.nikula@intel.com> Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20220826213501.31490-2-ville.syrjala@linux.intel.com Reviewed-by: Manasi Navare <manasi.d.navare@intel.com>
2022-07-22Merge tag 'drm-intel-gt-next-2022-07-13' of ↵Dave Airlie1-3/+36
git://anongit.freedesktop.org/drm/drm-intel into drm-next Driver uAPI changes: - All related to the Small BAR support: (and all by Matt Auld) * add probed_cpu_visible_size * expose the avail memory region tracking * apply ALLOC_GPU only by default * add NEEDS_CPU_ACCESS hint * tweak error capture on recoverable contexts Driver highlights: - Add Small BAR support (Matt) - Add MeteorLake support (RK) - Add support for LMEM PCIe resizable BAR (Akeem) Driver important fixes: - ttm related fixes (Matt Auld) - Fix a performance regression related to waitboost (Chris) - Fix GT resets (Chris) Driver others: - Adding GuC SLPC selftest (Vinay) - Fix ADL-N GuC load (Daniele) - Add platform workaround (Gustavo, Matt Roper) - DG2 and ATS-M device ID updates (Matt Roper) - Add VM_BIND doc rfc with uAPI documentation (Niranjana) - Fix user-after-free in vma destruction (Thomas) - Async flush of GuC log regions (Alan) - Fixes in selftests (Chris, Dan, Andrzej) - Convert to drm_dbg (Umesh) - Disable OA sseu config param for newer hardware (Umesh) - Multi-cast register steering changes (Matt Roper) - Add lmem_bar_size modparam (Priyanka) Signed-off-by: Dave Airlie <airlied@redhat.com> From: Rodrigo Vivi <rodrigo.vivi@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/Ys85pcMYLkqF/HtB@intel.com
2022-07-13Merge tag 'drm-msm-next-2022-07-10' of ↵Dave Airlie1-8/+18
https://gitlab.freedesktop.org/drm/msm into drm-next Next for v5.20 GPU: - a619 support - Fix for unclocked GMU register access - Devcore dump enhancements Core: - client utilization via fdinfo support - fix fence rollover issue - gem: Lockdep false-positive warning fix - gem: Switch to pfn mappings DPU: - constification of HW catalog - support for using encoder as CRC source - WB support on sc7180 - WB resolution fixes DP: - dropped custom bulk clock implementation - made dp_bridge_mode_valid() return MODE_CLOCK_HIGH where applicable - fix link retraining on resolution change MDP5: - MSM8953 perf data HDMI: - YAML'ification of schema - dropped obsolete GPIO support - misc cleanups Signed-off-by: Dave Airlie <airlied@redhat.com> From: Rob Clark <robdclark@gmail.com> Link: https://patchwork.freedesktop.org/patch/msgid/CAF6AEGtuqswBGPw-kCYzJvckK2RR1XTeUEgaXwVG_mvpbv3gPA@mail.gmail.com
2022-07-13Backmerge tag 'v5.19-rc6' of ↵Dave Airlie2-4/+5
git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux into drm-next Backmerge in rc6 so I can merge msm next easier. Linux 5.19-rc6 Signed-off-by: Dave Airlie <airlied@redhat.com>
2022-07-12Merge tag 'drm-misc-next-2022-07-07' of ↵Dave Airlie6-12/+12
git://anongit.freedesktop.org/drm/drm-misc into drm-next drm-misc-next for $kernel-version: UAPI Changes: Cross-subsystem Changes: Core Changes: * crtc: Remove unnessary include statements from drm_crtc.h, plus fallout in drivers * edid: More use of struct drm_edid; implement HF-EEODB extension Driver Changes: * bridge: * anx7625: Implement HDP timeout via callback; Cleanups * fsl-ldb: Drop DE flip; Modesetting fixes * imx: Depend on ARCH_MXC * sil8620: Fix off-by-one * ti-sn65dsi86: Convert to atomic modesetting * ingenic: Fix display at maximum resolution * panel: * simple: Add support for HannStar HSD101PWW2, plus DT bindings; Add support for ETML0700Y5DHA, plus DT bindings * rockchip: Fixes * vc4: Cleanups * vmwgfx: Cleanups Signed-off-by: Dave Airlie <airlied@redhat.com> From: Thomas Zimmermann <tzimmermann@suse.de> Link: https://patchwork.freedesktop.org/patch/msgid/YsaHq1pvE699NtOM@linux-uq9g
2022-07-08drm/i915/mtl: Add MeteorLake PCI IDsRadhakrishna Sripada1-0/+13
Add Meteorlake PCI IDs. Split into M, and P subplatforms. v2: Update PCI id's v3: Move id 7d60 under MTL_M(MattR) Bspec: 55420 Signed-off-by: Radhakrishna Sripada <radhakrishna.sripada@intel.com> Signed-off-by: Matt Roper <matthew.d.roper@intel.com> Reviewed-by: Matt Roper <matthew.d.roper@intel.com> Signed-off-by: Matt Roper <matthew.d.roper@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20220708000335.2869311-3-radhakrishna.sripada@intel.com
2022-07-05drm: Remove linux/i2c.h from drm_crtc.hVille Syrjälä2-1/+2
drm_crtc.h has no need for linux/i2c.h, so don't include it. Avoids useless rebuilds of the entire universe when touching linux/i2c.h. Quite a few placs do currently depend on linux/i2c.h without actually including it directly. All of those need to be fixed up. v2: imx and mcde need linux/io.h for readl()/etc. Acked-by: Sam Ravnborg <sam@ravnborg.org> Acked-by: Jani Nikula <jani.nikula@intel.com> Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20220630195114.17407-5-ville.syrjala@linux.intel.com
2022-07-05drm: Remove linux/media-bus-format.h from drm_crtc.hVille Syrjälä1-1/+0
drm_crtc.h has no need for linux/media-bus-format.h, so don't include it. Avoids useless rebuilds of the entire universe when touching linux/media-bus-format.h. Quite a few placs do currently depend on linux/media-bus-format.h without actually including it directly. All of those need to be fixed up. v2: Deal with ingenic as well v3: Fix up mxsfb and remaining parts of imx Acked-by: Sam Ravnborg <sam@ravnborg.org> Acked-by: Jani Nikula <jani.nikula@intel.com> Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20220630195114.17407-4-ville.syrjala@linux.intel.com
2022-07-05drm: Remove linux/fb.h from drm_crtc.hVille Syrjälä2-1/+1
drm_crtc.h has no need for linux/fb.h, so don't include it. Avoids useless rebuilds of the entire universe when touching linux/fb.h. Quite a few placs do currently depend on linux/fb.h or other headers pulled in by it without actually including any of it directly. All of those need to be fixed up. v2: Split the vmwgfx change out Acked-by: Sam Ravnborg <sam@ravnborg.org> Acked-by: Jani Nikula <jani.nikula@intel.com> Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20220630195114.17407-3-ville.syrjala@linux.intel.com
2022-07-05drm: Add DRM_GEM_FOPSRob Clark1-8/+18
The DEFINE_DRM_GEM_FOPS() helper is a bit limiting if a driver wants to provide additional file ops, like show_fdinfo(). v2: Split out DRM_GEM_FOPS instead of making DEFINE_DRM_GEM_FOPS varardic v3: nits Signed-off-by: Rob Clark <robdclark@chromium.org> Acked-by: Thomas Zimmermann <tzimmermann@suse.de> Patchwork: https://patchwork.freedesktop.org/patch/488904/ Link: https://lore.kernel.org/r/20220609174213.2265938-1-robdclark@gmail.com Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
2022-07-02drm/i915: DG2 and ATS-M device ID updatesMatt Roper1-3/+23
Small BAR support has now landed, which allows us to add the PCI IDs that correspond to add-in card designs of DG2 and ATS-M. There's also one additional MB-down PCI ID that recently appeared (0x5698) so we add it too. Cc: Lucas De Marchi <lucas.demarchi@intel.com> Signed-off-by: Matt Roper <matthew.d.roper@intel.com> Reviewed-by: Lucas De Marchi <lucas.demarchi@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20220701152231.529511-2-matthew.d.roper@intel.com
2022-07-01Merge tag 'drm-intel-gt-next-2022-06-29' of ↵Dave Airlie1-12/+12
git://anongit.freedesktop.org/drm/drm-intel into drm-next UAPI Changes: - Expose per tile media freq factor in sysfs (Ashutosh Dixit, Dale B Stimson) - Document memory residency and Flat-CCS capability of obj (Ramalingam C) - Disable GETPARAM lookups of I915_PARAM_[SUB]SLICE_MASK on Xe_HP+ (Matt Roper) Cross-subsystem Changes: - Rename intel-gtt symbols (Lucas De Marchi) Core Changes: Driver Changes: - Support programming the EU priority in the GuC descriptor (DG2) (Matthew Brost) - DG2 HuC loading support (Daniele Ceraolo Spurio) - Fix build error without CONFIG_PM (YueHaibing) - Enable THP on Icelake and beyond (Tvrtko Ursulin) - Only setup private tmpfs mount when needed and fix logging (Tvrtko Ursulin) - Make __guc_reset_context aware of guilty engines (Umesh Nerlige Ramappa) - DG2 small bar memory probing fixes (Nirmoy Das) - Remove unnecessary GuC err capture noise (Alan Previn) - Fix i915_gem_object_ggtt_pin_ww regression on old platforms (Maarten Lankhorst) - Fix undefined behavior in GuC backend due to shift overflowing the constant (Borislav Petkov) - New DG2 workarounds (Swathi Dhanavanthri, Anshuman Gupta) - Report no hwconfig support on ADL-N (Balasubramani Vivekanandan) - Fix error_state_read ptr + offset use (Alan Previn) - Expose per tile media freq factor in sysfs (Ashutosh Dixit, Dale B Stimson) - Fix memory leaks in per-gt sysfs (Ashutosh Dixit) - Fix dma_resv fence handling in multi-batch execbuf (Nirmoy Das) - Add extra registers to GPU error dump on Gen11+ (Stuart Summers) - More PVC+DG2 workarounds (Matt Roper) - Improve user experience and driver robustness under SIGINT or similar (Tvrtko Ursulin) - Don't show engine classes not present (Tvrtko Ursulin) - Improve on suspend / resume time with VT-d enabled (Thomas Hellström) - Add missing else (katrinzhou) - Don't leak lmem mapping in vma_evict (Juha-Pekka Heikkila) - Add smem fallback allocation for dpt (Juha-Pekka Heikkila) - Tweak the ordering in cpu_write_needs_clflush (Matthew Auld) - Do not access rq->engine without a reference (Niranjana Vishwanathapura) - Revert "drm/i915: Hold reference to intel_context over life of i915_request" (Niranjana Vishwanathapura) - Don't update engine busyness stats too frequently (Alan Previn) - Add additional steps for Wa_22011802037 for execlist backend (Umesh Nerlige Ramappa) - Fix a lockdep warning at error capture (Nirmoy Das) - Ponte Vecchio prep work and new blitter engines (Matt Roper, John Harrison, Lucas De Marchi) - Read correct RP_STATE_CAP register (PVC) (Matt Roper) - Define MOCS table for PVC (Ayaz A Siddiqui) - Driver refactor and support Ponte Vecchio forcewake handling (Matt Roper) - Remove additional 3D flags from PIPE_CONTROL (Ponte Vecchio) (Stuart Summers) - XEHPSDV and PVC do not use HuC (Daniele Ceraolo Spurio) - Extract stepping information from PCI revid (Ponte Vecchio) (Matt Roper) - Add initial PVC workarounds (Stuart Summers) - SSEU handling driver refactor and Ponte Vecchio support (Matt Roper) - GuC depriv applies to PVC (Matt Roper) - Add register steering (Ponte Vecchio) (Matt Roper) - Add recommended MMIO setting (Ponte Vecchio) (Matt Roper) - Move multicast register handling to a dedicated file (Matt Roper) - Cleanup interface for MCR operations (Matt Roper) - Extend i915_vma_pin_iomap() (CQ Tang) - Re-do the intel-gtt split (Lucas De Marchi) - Correct duplicated/misplaced GT register definitions (Matt Roper) - Prefer "XEHP_" prefix for registers (Matt Roper) - Don't use DRM_DEBUG_WARN_ON for unexpected l3bank/mslice config (Tvrtko Ursulin) - Don't use DRM_DEBUG_WARN_ON for ring unexpectedly not idle (Tvrtko Ursulin) - Make drop_pages() return bool (Lucas De Marchi) - Fix CFI violation with show_dynamic_id() (Nathan Chancellor) - Use i915_probe_error instead of drm_error in GuC code (Vinay Belgaumkar) - Fix use of static in macro mismatch (Andi Shyti) - Update tiled blits selftest (Bommu Krishnaiah) - Future-proof platform checks (Matt Roper) - Only include what's needed (Jani Nikula) - remove accidental static from a local variable (Jani Nikula) - Add global forcewake request to drpc (Vinay Belgaumkar) - Fix spelling typo in comment (pengfuyuan) - Increase timeout for live_parallel_switch selftest (Akeem G Abodunrin) - Use non-blocking H2G for waitboost (Vinay Belgaumkar) Signed-off-by: Dave Airlie <airlied@redhat.com> From: Tvrtko Ursulin <tvrtko.ursulin@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/YrwtLM081SQUG1Dc@tursulin-desk
2022-06-30drm: Remove unnecessary junk from drm_crtc.hVille Syrjälä1-8/+0
drm_crtc.h is including several entirely unnecessary headers, and also contains unused forward declarations. Remove it all. Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20220613200317.11305-6-ville.syrjala@linux.intel.com Acked-by: Jani Nikula <jani.nikula@intel.com>
2022-06-30drm/edid: add drm_edid_raw() to access the raw EDID dataJani Nikula1-0/+1
Unfortunately, there are still plenty of interfaces around that require a struct edid pointer, and it's impossible to change them all at once. Add an accessor to the raw EDID data to help the transition. While there are no such cases now, be defensive against raw EDID extension count indicating bigger EDID than is actually allocated. Signed-off-by: Jani Nikula <jani.nikula@intel.com> Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/fb55d0b580d556bf2b8e58070239657ac9cb4b2f.1656494768.git.jani.nikula@intel.com
2022-06-30drm/probe-helper: add drm_connector_helper_get_modes()Jani Nikula1-0/+1
Add a helper function to be used as the "default" .get_modes() hook. This also works as an example of what the driver .get_modes() hooks are supposed to do regarding the new drm_edid_read*() and drm_edid_connector_update() calls. Signed-off-by: Jani Nikula <jani.nikula@intel.com> Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/d985449ed4b95971490ab7c09d2d59b58a892769.1656494768.git.jani.nikula@intel.com
2022-06-30drm/edid: add drm_edid_connector_update()Jani Nikula1-0/+2
Add a new function drm_edid_connector_update() to replace the combination of calls drm_connector_update_edid_property() and drm_add_edid_modes(). Usually they are called in the drivers in this order, however the former needs information from the latter. Since the new drm_edid_read*() functions no longer call the connector updates directly, and the read and update are separated, we'll need this new function for the connector update. This is all in drm_edid.c simply to keep struct drm_edid opaque. v2: - Share code with drm_connector_update_edid_property() (Ville) - Add comment about override EDID handling Signed-off-by: Jani Nikula <jani.nikula@intel.com> Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/75aa3dbc8c9aa26ebbcdeacd98a466ef8d8827f4.1656494768.git.jani.nikula@intel.com
2022-06-30drm/edid: abstract debugfs override EDID set/resetJani Nikula1-1/+5
Add functions drm_edid_override_set() and drm_edid_override_reset() to support "edid_override" connector debugfs, and to hide the details about it in drm_edid.c. No functional changes at this time. Also note in the connector.override_edid flag kernel-doc that this is only supposed to be modified by the code doing debugfs EDID override handling. Currently, it is still being modified by amdgpu in create_eml_sink() and handle_edid_mgmt() for reasons unknown. This was added in commit 4562236b3bc0 ("drm/amd/dc: Add dc display driver (v2)") and later moved to amdgpu_dm.c in commit e7b07ceef2a6 ("drm/amd/display: Merge amdgpu_dm_types and amdgpu_dm"). Signed-off-by: Jani Nikula <jani.nikula@intel.com> Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/8f6b4001630cafac5f44aa5913429ac9979743d2.1656494768.git.jani.nikula@intel.com
2022-06-27drm/rect: Add DRM_RECT_INIT() macroJosé Expósito1-0/+16
Add a helper macro to initialize a rectangle from x, y, width and height information. Reviewed-by: Jani Nikula <jani.nikula@intel.com> Reviewed-by: David Gow <davidgow@google.com> Acked-by: Thomas Zimmermann <tzimmermann@suse.de> Signed-off-by: José Expósito <jose.exposito89@gmail.com> Link: https://patchwork.freedesktop.org/patch/msgid/20220620160640.3790-2-jose.exposito89@gmail.com
2022-06-27drm/atomic-helper: Add helper drm_atomic_helper_check_crtc_state()Thomas Zimmermann1-0/+2
Add drm_atomic_helper_check_crtc_state(), which contains tests common to many CRTCs. The first added test verifies that an enabled CRTC has at least one enabled primary plane. Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de> Acked-by: Jocelyn Falempe <jfalempe@redhat.com> Link: https://patchwork.freedesktop.org/patch/msgid/20220617103226.25617-2-tzimmermann@suse.de
2022-06-24drm/mipi-dsi: Introduce mipi_dsi_dcs_write_seq macroJoel Selvaraj1-0/+17
A helper macro that can be used to simplify sending DCS commands. It is useful in scenarios like panel initialization which can sometimes involve sending lot of DCS commands. Signed-off-by: Joel Selvaraj <jo@jsfamily.in> Reviewed-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Sam Ravnborg <sam@ravnborg.org> Link: https://patchwork.freedesktop.org/patch/msgid/BY5PR02MB700952493EEB6F0E77DC8416D9DF9@BY5PR02MB7009.namprd02.prod.outlook.com
2022-06-23agp/intel: Rename intel-gtt symbolsLucas De Marchi1-12/+12
Exporting the symbols like intel_gtt_* creates some confusion inside i915 that has symbols named similarly. In an attempt to isolate platforms needing intel-gtt.ko, commit 7a5c922377b4 ("drm/i915/gt: Split intel-gtt functions by arch") moved way too much inside gt/intel_gt_gmch.c, even the functions that don't callout to this module. Rename the symbols to make the separation clear. Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com> Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20220617230559.2109427-1-lucas.demarchi@intel.com
2022-06-21drm/dp: Add wait_hpd_asserted() callback to struct drm_dp_auxDouglas Anderson1-0/+30
Sometimes it's useful for users of the DP AUX bus (like panels) to be able to poll HPD. Let's add a callback that allows DP AUX busses drivers to provide this. Suggested-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> Signed-off-by: Douglas Anderson <dianders@chromium.org> Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> Link: https://patchwork.freedesktop.org/patch/msgid/20220614145327.v4.1.Icf57bb12233a47727013c6ab69eebf803e22ebc1@changeid
2022-06-21drm: Config orientation property if panel provides itHsin-Yi Wang1-0/+14
Panel orientation property should be set before drm_dev_register(). Some drm driver calls drm_dev_register() in .bind(). However, most panels sets orientation property relatively late, mostly in .get_modes() callback, since this is when they are able to get the connector and binds the orientation property to it, though the value should be known when the panel is probed. In drm_bridge_connector_init(), if a bridge is a panel bridge, use it to set the connector's panel orientation property. Suggested-by: Douglas Anderson <dianders@chromium.org> Signed-off-by: Hsin-Yi Wang <hsinyi@chromium.org> Reviewed-by: Douglas Anderson <dianders@chromium.org> Reviewed-by: Stephen Boyd <swboyd@chromium.org> [dianders: fixed space vs. tab indentation] Signed-off-by: Douglas Anderson <dianders@chromium.org> Link: https://patchwork.freedesktop.org/patch/msgid/20220609072722.3488207-9-hsinyi@chromium.org
2022-06-21drm/panel: Add an API to allow drm to set orientation from panelHsin-Yi Wang2-0/+13
Panels usually call drm_connector_set_panel_orientation(), which is later than drm/kms driver calling drm_dev_register(). This leads to a WARN(). The orientation property is known earlier. For example, some panels parse the property through device tree during probe. Add an API to return the property from panel to drm/kms driver, so the drivers are able to call drm_connector_set_orientation_from_panel() before drm_dev_register(). Suggested-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Hsin-Yi Wang <hsinyi@chromium.org> Reviewed-by: Hans de Goede <hdegoede@redhat.com> Reviewed-by: Douglas Anderson <dianders@chromium.org> Reviewed-by: Stephen Boyd <swboyd@chromium.org> [dianders: removed space before tab] Signed-off-by: Douglas Anderson <dianders@chromium.org> Link: https://patchwork.freedesktop.org/patch/msgid/20220609072722.3488207-2-hsinyi@chromium.org
2022-06-20drm: Drop drm_connector.h from drm_crtc.hVille Syrjälä1-1/+1
drm_crtc.h has no need for drm_connector.h, so don't include it. Avoids useless rebuilds of the entire universe when touching drm_connector.h. Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20220613200317.11305-5-ville.syrjala@linux.intel.com Acked-by: Jani Nikula <jani.nikula@intel.com>
2022-06-20drm: Drop drm_blend.h from drm_crtc.hVille Syrjälä1-1/+0
drm_crtc.h has no need for drm_blend.h, so don't include it. Avoids useless rebuilds of the entire universe when touching drm_blend.h. Quite a few placs do currently depend on drm_blend.h without actually including it directly. All of those need to be fixed up. Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20220613200317.11305-4-ville.syrjala@linux.intel.com Acked-by: Sam Ravnborg <sam@ravnborg.org> Acked-by: Jani Nikula <jani.nikula@intel.com>
2022-06-20drm: Drop drm_framebuffer.h from drm_crtc.hVille Syrjälä1-1/+1
drm_crtc.h has no need for drm_frambuffer.h, so don't include it. Avoids useless rebuilds of the entire universe when touching drm_framebuffer.h. Quite a few placs do currently depend on drm_framebuffer.h without actually including it directly. All of those need to be fixed up. v2: Fix up msm some more v2: Deal with ingenic and shmobile as well Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20220614095449.29311-1-ville.syrjala@linux.intel.com Acked-by: Sam Ravnborg <sam@ravnborg.org> Acked-by: Jani Nikula <jani.nikula@intel.com>
2022-06-20drm: Drop drm_edid.h from drm_crtc.hVille Syrjälä1-1/+0
drm_crtc.h has no need for drm_edid.h, so don't include it. Avoids useless rebuilds of the entire universe when touching drm_edid.h. Quite a few placs do currently depend on drm_edid.h without actually including it directly. All of those need to be fixed up. v2: Fix up i915 and msm some more v3: Fix alphabetical ordering (Sam) Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20220614090245.30283-1-ville.syrjala@linux.intel.com Acked-by: Sam Ravnborg <sam@ravnborg.org> Acked-by: Jani Nikula <jani.nikula@intel.com>
2022-06-20Merge drm/drm-next into drm-misc-nextThomas Zimmermann5-4/+59
Backmerging to get new regmap APIs of v5.19-rc1. Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
2022-06-15Merge tag 'drm-misc-next-2022-06-08' of ↵Daniel Vetter8-24/+76
git://anongit.freedesktop.org/drm/drm-misc into drm-next drm-misc-next for 5.20: UAPI Changes: * connector: export bpc limits in debugfs * dma-buf: Print buffer name in debugfs Cross-subsystem Changes: * dma-buf: Improve dma-fence handling; Cleanups * fbdev: Device-unregistering fixes Core Changes: * client: Only use driver-validated modes to avoid blank screen * dp-aux: Make probing more reliable; Small fixes * edit: CEA data-block iterators; Introduce struct drm_edid; Many cleanups * gem: Don't use framebuffer format's non-exising color planes * probe-helper: Use 640x480 as DisplayPort fallback; Refactoring * scheduler: Don't kill jobs in interrupt context Driver Changes: * amdgpu: Use atomic fence helpers in DM; Fix VRAM address calculation; Export CRTC bpc settings via debugfs * bridge: Add TI-DLPC3433; anx7625: Fixes; fy07024di26a30d: Optional GPIO reset; icn6211: Cleanups; ldb: Add reg and reg-name properties to bindings, Kconfig fixes; lt9611: Fix display sensing; lt9611uxc: Fixes; nwl-dsi: Fixes; ps8640: Cleanups; st7735r: Fixes; tc358767: DSI/DPI refactoring and DSI-to-eDP support, Fixes; ti-sn65dsi83: Fixes; * gma500: Cleanup connector I2C handling * hyperv: Unify VRAM allocation of Gen1 and Gen2 * i915: export CRTC bpc settings via debugfs * meson: Support YUV422 output; Refcount fixes * mgag200: Support damage clipping; Support gamma handling; Protect concurrent HW access; Fixes to connector; Store model-specific limits in device-info structure; Cleanups * nouveau: Fixes and Cleanups * panel: Kconfig fixes * panfrost: Valhall support * r128: Fix bit-shift overflow * rockchip: Locking fixes in error path; Minor cleanups * ssd130x: Fix built-in linkage * ttm: Cleanups * udl; Always advertize VGA connector * fbdev/vesa: Support COMPILE_TEST Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> From: Thomas Zimmermann <tzimmermann@suse.de> Link: https://patchwork.freedesktop.org/patch/msgid/YqBtumw05JZDEZE2@linux-uq9g
2022-06-14drm/ttm: fix bulk move handling v2Christian König1-4/+4
The resource must be on the LRU before ttm_lru_bulk_move_add() is called and we need to check if the BO is pinned or not before adding it. Additional to that we missed taking the LRU spinlock in ttm_bo_unpin(). Signed-off-by: Christian König <christian.koenig@amd.com> Reviewed-by: Arunpravin Paneer Selvam <Arunpravin.PaneerSelvam@amd.com> Acked-by: Luben Tuikov <luben.tuikov@amd.com> Link: https://patchwork.freedesktop.org/patch/msgid/20220613080816.4965-1-christian.koenig@amd.com Fixes: fee2ede15542 ("drm/ttm: rework bulk move handling v5")
2022-06-13drm/edid: add new interfaces around struct drm_edidJani Nikula1-0/+9
Add new functions drm_edid_read(), drm_edid_read_ddc(), and drm_edid_read_custom() to replace drm_get_edid() and drm_do_get_edid() for reading the EDID. The transition is expected to happen over a fairly long time. Note that the new drm_edid_read*() functions do not do any of the connector updates anymore. The reading and parsing will be completely separated from each other. Add new functions drm_edid_alloc(), drm_edid_dup(), and drm_edid_free() for allocating and freeing drm_edid containers. Cc: David Airlie <airlied@linux.ie> Cc: Daniel Vetter <daniel@ffwll.ch> Signed-off-by: Jani Nikula <jani.nikula@intel.com> Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/5a6532a94cad6a79424f6d1918dbe7b7d607ac03.1654674560.git.jani.nikula@intel.com
2022-06-12drm: of: Mark empty drm_of_get_data_lanes_count and drm_of_get_data_lanes_ep ↵Marek Vasut1-6/+8
static Mark empty implementations of drm_of_get_data_lanes_count and drm_of_get_data_lanes_ep as static inline, just like the rest of empty implementations of various functions in drm_of.h . Add missing comma to drm_of_get_data_lanes_count_ep() . Fixes: fc801750b197 ("drm: of: Add drm_of_get_data_lanes_count and drm_of_get_data_lanes_ep") Reported-by: kernel test robot <lkp@intel.com> Signed-off-by: Marek Vasut <marex@denx.de> Cc: Andrzej Hajda <andrzej.hajda@intel.com> Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Cc: Lucas Stach <l.stach@pengutronix.de> Cc: Maxime Ripard <maxime@cerno.tech> Cc: Robert Foss <robert.foss@linaro.org> Cc: Sam Ravnborg <sam@ravnborg.org> To: dri-devel@lists.freedesktop.org Acked-by: Sam Ravnborg <sam@ravnborg.org> Link: https://patchwork.freedesktop.org/patch/msgid/20220612132152.91052-1-marex@denx.de
2022-06-12drm: of: Add drm_of_get_data_lanes_count and drm_of_get_data_lanes_epMarek Vasut1-0/+20
Add helper function to count and sanitize DT "data-lanes" property and return either error or the data-lanes count. This is useful for both DSI and (e)DP "data-lanes" property. The later version of the function is an extra wrapper which handles the endpoint look up by regs, that's what majority of the drivers duplicate too, but not all of them. Reviewed-by: Andrzej Hajda <andrzej.hajda@intel.com> Signed-off-by: Marek Vasut <marex@denx.de> Cc: Andrzej Hajda <andrzej.hajda@intel.com> Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Cc: Lucas Stach <l.stach@pengutronix.de> Cc: Maxime Ripard <maxime@cerno.tech> Cc: Robert Foss <robert.foss@linaro.org> Cc: Sam Ravnborg <sam@ravnborg.org> To: dri-devel@lists.freedesktop.org Link: https://patchwork.freedesktop.org/patch/msgid/20220524010522.528569-1-marex@denx.de
2022-06-12drm: Fix htmldocs indentation warning w/ DP AUX power requirementsDouglas Anderson1-0/+2
Two blank lines are needed to make the rst valid. Fixes: 69ef4a192bba ("drm: Document the power requirements for DP AUX transfers") Reported-by: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: Douglas Anderson <dianders@chromium.org> Acked-by: Sam Ravnborg <sam@ravnborg.org> Link: https://patchwork.freedesktop.org/patch/msgid/20220611095445.1.I534072d346b1ebbf0db565b714de9b65cbb24651@changeid
2022-06-09drm/atomic: fix warning of unused variableGONG, Ruiqi1-0/+1
Fix the `unused-but-set-variable` warning as how other iteration wrappers do. Link: https://lore.kernel.org/all/202206071049.pofHsRih-lkp@intel.com/ Reported-by: kernel test robot <lkp@intel.com> Signed-off-by: GONG, Ruiqi <gongruiqi1@huawei.com> Signed-off-by: Maxime Ripard <maxime@cerno.tech> Link: https://patchwork.freedesktop.org/patch/msgid/20220607110848.941486-1-gongruiqi1@huawei.com
2022-06-03LoongArch: Add writecombine support for drmHuacai Chen1-0/+8
LoongArch maintains cache coherency in hardware, but its WUC attribute (Weak-ordered UnCached, which is similar to WC) is out of the scope of cache coherency machanism. This means WUC can only used for write-only memory regions. Cc: Daniel Vetter <daniel@ffwll.ch> Cc: dri-devel@lists.freedesktop.org Reviewed-by: WANG Xuerui <git@xen0n.name> Reviewed-by: Jiaxun Yang <jiaxun.yang@flygoat.com> Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
2022-06-03drm/bridge: Add devm_drm_bridge_add()Douglas Anderson1-0/+1
This adds a devm managed version of drm_bridge_add(). Like other "devm" function listed in drm_bridge.h, this function takes an explicit "dev" to use for the lifetime management. A few notes: * In general we have a "struct device" for bridges that makes a good candidate for where the lifetime matches exactly what we want. * The "bridge->dev->dev" device appears to be the encoder device. That's not the right device to use for lifetime management. Suggested-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> Signed-off-by: Douglas Anderson <dianders@chromium.org> Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> Link: https://patchwork.freedesktop.org/patch/msgid/20220510122726.v3.3.Iba4b9bf6c7a1ee5ea2835ad7bd5eaf84d7688520@changeid
2022-06-03drm/dp: Add callbacks to make using DP AUX bus properly easierDouglas Anderson1-3/+31
As talked about in this patch in the kerneldoc of of_dp_aux_populate_ep_device() and also in the past in commit a1e3667a9835 ("drm/bridge: ti-sn65dsi86: Promote the AUX channel to its own sub-dev"), it can be difficult for eDP controller drivers to know when the panel has finished probing when they're using of_dp_aux_populate_ep_devices(). The ti-sn65dsi86 driver managed to solve this because it was already broken up into a bunch of sub-drivers. That means we could solve the problem there by adding a new sub-driver to get the panel. We could use the traditional -EPROBE_DEFER retry mechansim to handle the case where the panel hadn't probed yet. In parade-ps8640 we didn't really solve this. The code just expects the panel to be ready right away. While reviewing the code originally I had managed to convince myself it was fine to just expect the panel right away, but additional testing has shown that not to be the case. We could fix parade-ps8640 like we did ti-sn65dsi86 but it's pretty cumbersome (since we're not already broken into multiple drivers) and requires a bunch of boilerplate code. After discussion [1] it seems like the best solution for most people is: - Accept that there's always at most one device that will probe as a result of the DP AUX bus (it may have sub-devices, but there will be one device _directly_ probed). - When that device finishes probing, we can just have a call back. This patch implements that idea. We'll now take a callback as an argument to the populate function. To make this easier to land in pieces, we'll make wrappers for the old functions. The functions with the new name (which make it clear that we only have one child) will take the callback and the functions with the old name will temporarily wrap. [1] https://lore.kernel.org/r/CAD=FV=Ur3afHhsXe7a3baWEnD=MFKFeKRbhFU+bt3P67G0MVzQ@mail.gmail.com Signed-off-by: Douglas Anderson <dianders@chromium.org> Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> Link: https://patchwork.freedesktop.org/patch/msgid/20220510122726.v3.2.I4182ae27e00792842cb86f1433990a0ef9c0a073@changeid
2022-05-28drm: fix EDID struct for old ARM OABI formatLinus Torvalds1-3/+3
When building the kernel for arm with the "-mabi=apcs-gnu" option, gcc will force alignment of all structures and unions to a word boundary (see also STRUCTURE_SIZE_BOUNDARY and the "-mstructure-size-boundary=XX" option if you're a gcc person), even when the members of said structures do not want or need said alignment. This completely messes up the structure alignment of 'struct edid' on those targets, because even though all the embedded structures are marked with "__attribute__((packed))", the unions that contain them are not. This was exposed by commit f1e4c916f97f ("drm/edid: add EDID block count and size helpers"), but the bug is pre-existing. That commit just made the structure layout problem cause a build failure due to the addition of the BUILD_BUG_ON(sizeof(*edid) != EDID_LENGTH); sanity check in drivers/gpu/drm/drm_edid.c:edid_block_data(). This legacy union alignment should probably not be used in the first place, but we can fix the layout by adding the packed attribute to the union entries even when each member is already packed and it shouldn't matter in a sane build environment. You can see this issue with a trivial test program: union { struct { char c[5]; }; struct { char d; unsigned e; } __attribute__((packed)); } a = { "1234" }; where building this with a normal "gcc -S" will result in the expected 5-byte size of said union: .type a, @object .size a, 5 but with an ARM compiler and the old ABI: arm-linux-gnu-gcc -mabi=apcs-gnu -mfloat-abi=soft -S t.c you get .type a, %object .size a, 8 instead, because even though each member of the union is packed, the union itself still gets aligned. This was reported by Sudip for the spear3xx_defconfig target. Link: https://lore.kernel.org/lkml/YpCUzStDnSgQLNFN@debian/ Reported-by: Sudip Mukherjee <sudipm.mukherjee@gmail.com> Acked-by: Arnd Bergmann <arnd@arndb.de> Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Cc: Maxime Ripard <mripard@kernel.org> Cc: Thomas Zimmermann <tzimmermann@suse.de> Cc: David Airlie <airlied@linux.ie> Cc: Daniel Vetter <daniel@ffwll.ch> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2022-05-27drm/edid: Extract drm_edid_decode_mfg_id()Ville Syrjälä1-4/+17
Make the PNPID decoding available for other users. Cc: dri-devel@lists.freedesktop.org Reviewed-by: Jani Nikula <jani.nikula@intel.com> Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20220510104242.6099-15-ville.syrjala@linux.intel.com
2022-05-20drm: Document the power requirements for DP AUX transfersDouglas Anderson1-3/+13
When doing DP AUX transfers there are two actors that need to be powered in order for the DP AUX transfer to work: the DP source and the DP sink. Commit bacbab58f09d ("drm: Mention the power state requirement on side-channel operations") added some documentation saying that the DP source is required to power itself up (if needed) to do AUX transfers. However, that commit doesn't talk anything about the DP sink. For full fledged DP the sink isn't really a problem. It's expected that if an external DP monitor isn't plugged in that attempting to do AUX transfers won't work. It's also expected that if a DP monitor is plugged in (and thus asserting HPD) then AUX transfers will work. When we're looking at eDP, however, things are less obvious. Let's add some documentation about expectations. Here's what we'll say: 1. We don't expect the DP AUX transfer function to power on an eDP panel. If an eDP panel is physically connected but powered off then it makes sense for the transfer to fail. 2. We'll document that the official way to power on a panel is via the bridge chain, specifically by making sure that the panel's prepare function has been called (which is called by panel_bridge_pre_enable()). It's already specified in the kernel doc of drm_panel_prepare() that this is the way to power the panel on and also that after this call "it is possible to communicate with any integrated circuitry via a command bus." 3. We'll also document that for code running in the panel driver itself that it is legal for the panel driver to power itself up however it wants (it doesn't need to officially call drm_panel_pre_enable()) and then it can do AUX bus transfers. This is currently the way that edp-panel works when it's running atop the DP AUX bus. NOTE: there was much discussion of all of this in response to v1 [1] of this patch. A summary of that is: * With the Intel i195 driver, apparently eDP panels do get powered up. We won't forbid this but it is expected that code that wants to run on a variety of platforms should ensure that the drm_panel's prepare() function has been called. * There is at least a reasonable amount of agreement that the transfer() functions itself shouldn't be responsible for powering the panel. It's proposed that if we need the DP AUX dev nodes to be robust for eDP that the code handling the DP AUX dev nodes could handle powering the panel by ensuring that the panel's prepare() call was made. Potentially drm_dp_aux_dev_get_by_minor() could be a good place to do this. This is left as a future exercise. Until that's fixed the DP AUX dev nodes for eDP are probably best just used for debugging. * If a panel could be in PSR and DP AUX via the dev node needs to be reliable then we need to be able to pull the panel out of PSR. On i915 this is also apparently handled as part of the transfer() function. [1] https://lore.kernel.org/r/20220503162033.1.Ia8651894026707e4fa61267da944ff739610d180@changeid Signed-off-by: Douglas Anderson <dianders@chromium.org> Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> Reviewed-by: Lyude Paul <lyude@redhat.com> Link: https://patchwork.freedesktop.org/patch/msgid/20220509161733.v2.1.Ia8651894026707e4fa61267da944ff739610d180@changeid
2022-05-19drm/gem: Ignore color planes that are unused by framebuffer formatThomas Zimmermann1-7/+3
Only handle color planes that exist in a framebuffer's color format. Ignore non-existing planes. So far, several helpers assumed that all 4 planes are available and silently ignored non-existing planes. This lead to subtil bugs with uninitialized data in instances of struct iosys_map. [1] Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de> Reviewed-by: Javier Martinez Canillas <javierm@redhat.com> Tested-by: Noralf Trønnes <noralf@tronnes.org> Acked-by: Christian König <christian.koenig@amd.com> Link: https://lore.kernel.org/dri-devel/20210730183511.20080-1-tzimmermann@suse.de/T/#md0172b10bb588d8f20f4f456e304f08d2a4505f7 # 1 Link: https://patchwork.freedesktop.org/patch/msgid/20220517113327.26919-3-tzimmermann@suse.de
2022-05-17drm/mgag200: Implement connector's get_modes with helperThomas Zimmermann1-0/+2
Provide drm_connector_helper_get_modes_from_ddc() to implement the connector's get_modes callback. The new helper updates the connector from DDC-provided EDID data. v2: * clear property if EDID is NULL in helper Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de> Reviewed-by: Jocelyn Falempe <jfalempe@redhat.com> Tested-by: Jocelyn Falempe <jfalempe@redhat.com> Link: https://patchwork.freedesktop.org/patch/msgid/20220516134343.6085-4-tzimmermann@suse.de
2022-05-17drm/scheduler: Don't kill jobs in interrupt contextDmitry Osipenko1-2/+2
Interrupt context can't sleep. Drivers like Panfrost and MSM are taking mutex when job is released, and thus, that code can sleep. This results into "BUG: scheduling while atomic" if locks are contented while job is freed. There is no good reason for releasing scheduler's jobs in IRQ context, hence use normal context to fix the trouble. Cc: stable@vger.kernel.org Fixes: 542cff7893a3 ("drm/sched: Avoid lockdep spalt on killing a processes") Signed-off-by: Dmitry Osipenko <dmitry.osipenko@collabora.com> Signed-off-by: Andrey Grodzovsky <andrey.grodzovsky@amd.com> Link: https://patchwork.freedesktop.org/patch/msgid/20220411221536.283312-1-dmitry.osipenko@collabora.com
2022-05-13drm/displayid: convert to drm_edidJani Nikula2-5/+7
We'll need to propagate drm_edid everywhere. v2: Rebase Signed-off-by: Jani Nikula <jani.nikula@intel.com> Reviewed-by: Ankit Nautiyal <ankit.k.nautiyal@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/a52a6882e87a4bb6b1670918f3aba13f9b52f6de.1652097712.git.jani.nikula@intel.com
2022-05-11Merge tag 'drm-msm-next-2022-05-09' of ↵Dave Airlie2-1/+17
https://gitlab.freedesktop.org/drm/msm into drm-next - Fourcc modifier for tiled but not compressed layouts - Support for userspace allocated IOVA (GPU virtual address) - Devfreq clamp_to_idle fix - DPU: DSC (Display Stream Compression) support - DPU: inline rotation support on SC7280 - DPU: update DP timings to follow vendor recommendations - DP, DPU: add support for wide bus (on newer chipsets) - DP: eDP support - Merge DPU1 and MDP5 MDSS driver, make dpu/mdp device the master component - MDSS: optionally reset the IP block at the bootup to drop bootloader state - Properly register and unregister internal bridges in the DRM framework - Complete DPU IRQ cleanup - DP: conversion to use drm_bridge and drm_bridge_connector - eDP: drop old eDP parts again - DPU: writeback support - Misc small fixes Signed-off-by: Dave Airlie <airlied@redhat.com> From: Rob Clark <robdclark@gmail.com> Link: https://patchwork.freedesktop.org/patch/msgid/CAF6AEGvJCr_1D8d0dgmyQC5HD4gmXeZw=bFV_CNCfceZbpMxRw@mail.gmail.com
2022-05-11Merge tag 'drm-intel-next-2022-05-06' of ↵Dave Airlie1-0/+31
git://anongit.freedesktop.org/drm/drm-intel into drm-next drm/i915 feature pull #2 for v5.19: Features and functionality: - Add first set of DG2 PCI IDs for "motherboard down" designs (Matt Roper) - Add initial RPL-P PCI IDs as ADL-P subplatform (Matt Atwood) Refactoring and cleanups: - Power well refactoring and cleanup (Imre) - GVT-g refactor and mdev API cleanup (Christoph, Jason, Zhi) - DPLL refactoring and cleanup (Ville) - VBT panel specific data parsing cleanup (Ville) - Use drm_mode_init() for on-stack modes (Ville) Fixes: - Fix PSR state pipe A/B confusion by clearing more state on disable (José) - Fix FIFO underruns caused by not taking DRAM channel into account (Vinod) - Fix FBC flicker on display 11+ by enabling a workaround (José) - Fix VBT seamless DRRS min refresh rate check (Ville) - Fix panel type assumption on bogus VBT data (Ville) - Fix panel data parsing for VBT that misses panel data pointers block (Ville) - Fix spurious AUX timeout/hotplug handling on LTTPR links (Imre) Merges: - Backmerge drm-next (Jani) - GVT changes (Jani) Signed-off-by: Dave Airlie <airlied@redhat.com> From: Jani Nikula <jani.nikula@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/87bkwbkkdo.fsf@intel.com
2022-05-05drm: Add DRM-managed mutex_init()Thomas Zimmermann1-0/+3
Add drmm_mutex_init(), a helper that provides managed mutex cleanup. The mutex will be destroyed with the final reference of the DRM device. Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de> Reviewed-by: Jocelyn Falempe <jfalempe@redhat.com> Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch> Link: https://patchwork.freedesktop.org/patch/msgid/20220502142514.2174-2-tzimmermann@suse.de
2022-05-03fbdev: Rename pagelist to pagereflist for deferred I/OThomas Zimmermann1-2/+1
Rename various instances of pagelist to pagereflist. The list now stores pageref structures, so the new name is more appropriate. In their write-back helpers, several fbdev drivers refer to the pageref list in struct fb_deferred_io instead of using the one supplied as argument to the function. Convert them over to the supplied one. It's the same instance, so no change of behavior occurs. v4: * fix commit message (Javier) Suggested-by: Sam Ravnborg <sam@ravnborg.org> Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de> Reviewed-by: Javier Martinez Canillas <javierm@redhat.com> Link: https://patchwork.freedesktop.org/patch/msgid/20220429100834.18898-5-tzimmermann@suse.de
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