- 14 Jan, 2022 8 commits
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Thomas Zimmermann authored
Fix the compiler warning drivers/char/agp/nvidia-agp.c: In function 'nvidia_tlbflush': drivers/char/agp/nvidia-agp.c:264:22: warning: variable 'temp' set but not used [-Wunused-but-set-variable] 264 | u32 wbc_reg, temp; by marking the temp variable with __maybe_unused. The affected readl() is only required for flushing caches, but the returned value is not of interest. v2: * declare temp as __maybe_unused (Helge) Signed-off-by:Thomas Zimmermann <tzimmermann@suse.de> Acked-by:
Helge Deller <deller@gmx.de> Link: https://patchwork.freedesktop.org/patch/msgid/20211201114645.15384-6-tzimmermann@suse.de
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Thomas Zimmermann authored
Fix the compiler warning drivers/char/agp/ati-agp.c: In function 'ati_create_page_map': drivers/char/agp/ati-agp.c:58:16: warning: variable 'err' set but not used [-Wunused-but-set-variable] 58 | int i, err = 0; by returing the error to the caller. v2: * free page in error branch (Helge) Signed-off-by: -
Thomas Zimmermann authored
Fix compiler warnings drivers/char/agp/backend.c:68: warning: Function parameter or member 'pdev' not described in 'agp_backend_acquire' drivers/char/agp/backend.c:93: warning: Function parameter or member 'bridge' not described in 'agp_backend_release' by adding the necessary documentation. Signed-off-by:
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Thomas Zimmermann authored
Fix compiler warnings like drivers/char/agp/frontend.c:46:20: warning: no previous prototype for 'agp_find_mem_by_key' [-Wmissing-prototypes] 46 | struct agp_memory *agp_find_mem_by_key(int key) by including the compat_ioctl.h in the source file. Signed-off-by: -
Thomas Zimmermann authored
Trivial coding-style fix. Signed-off-by:
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Colin Ian King authored
The variable 'size' is being assigned a value that is never read, the assignment is redundant and can be removed. Cleans up clang-scan warning: drivers/gpu/drm/vc4/vc4_bo.c:358:2: warning: Value stored to 'size' is never read [deadcode.DeadStores] size = roundup(size, PAGE_SIZE); Signed-off-by:Colin Ian King <colin.i.king@gmail.com> Signed-off-by:
Maxime Ripard <maxime@cerno.tech> Link: https://patchwork.freedesktop.org/patch/msgid/20220112232036.1182846-1-colin.i.king@gmail.com
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Drew Davenport authored
ctx->next_bridge is checked for NULL twice in a row. The second conditional is redundant, so remove it. Signed-off-by:
Drew Davenport <ddavenport@chromium.org> Acked-by:
Neil Armstrong <narmstrong@baylibre.com> Signed-off-by:
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Guchun Chen authored
Otherwise, braces are needed when using it. Signed-off-by:
Guchun Chen <guchun.chen@amd.com> Acked-by:
Christian König <christian.koenig@amd.com> Acked-by:
Peter Zijlstra (Intel) <peterz@infradead.org> Link: https://patchwork.freedesktop.org/patch/msgid/20220114083742.6219-1-guchun.chen@amd.comSigned-off-by:
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- 13 Jan, 2022 9 commits
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Jagan Teki authored
Replace atomic version of the enable/disable operations to continue the transition to the atomic API. Also added default drm atomic operations for duplicate, destroy and reset state API's in order to have smooth transition on atomic API's. Tested on Engicam i.Core STM32MP1 SoM. Signed-off-by:
Jagan Teki <jagan@amarulasolutions.com> Signed-off-by:
Robert Foss <robert.foss@linaro.org> Link: https://patchwork.freedesktop.org/patch/msgid/20211112061741.120898-1-jagan@amarulasolutions.comReviewed-by:
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José Expósito authored
The "drm_plane_funcs.format_mod_supported" can be removed in favor of the default implementation. Signed-off-by:
José Expósito <jose.exposito89@gmail.com> Reviewed-by:
Yannick Fertre <yannick.fertre@foss.st.com> Tested-by:
Philippe Cornu <philippe.cornu@foss.st.com> Link: https://patchwork.freedesktop.org/patch/msgid/20211222090552.25972-7-jose.exposito89@gmail.com
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Yannick Fertre authored
This patch adds the following YCbCr input pixel formats on the latest LTDC hardware version: 1 plane (co-planar) : YUYV, YVYU, UYVY, VYUY 2 planes (semi-planar): NV12, NV21 3 planes (full-planar): YU12=I420=DRM YUV420, YV12=DRM YVU420 Signed-off-by:
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Yannick Fertre authored
This feature allows the generation of any RGB pixel format. The list of supported formats is no longer linked to the register LXPFCR_PF, that the reason why a list of drm formats is defined for each display controller version. Signed-off-by:
Raphael Gallais-Pou <raphael.gallais-pou@foss.st.com> Tested-by:
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Yannick Fertre authored
Recent ltdc hardware versions offer the ability to update a plane independently of others planes. This is could be useful especially if a plane is assigned to another OS. Signed-off-by:
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Yannick Fertre authored
LTDC 40100 hw version supports the YCbCr 422 output, reducing the output pins from 24 to 16. This feature is useful for some external devices like HDMI bridges. Both ITU-R BT.601 & ITU-R BT.709 are supported. It is also possible to choose the chrominance order between * Cb is output first (Y0Cb, then Y1Cr, Y2Cb and so on). * Cr is output first (Y0Cr, then Y1Cb, Y2Cr and so on). Signed-off-by:
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Yannick Fertre authored
Replace the legacy register access by regmap API. Signed-off-by:
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Alyssa Rosenzweig authored
Now that we only list features of interest to kernel space, lots of GPUs have the same feature bits. To cut down on the repetition in the file, merge feature lists that are identical between similar GPUs. Note that this leaves some unmerged identical Bifrost feature lists, as there are more features affecting Bifrost kernel space that we do not yet handle. Signed-off-by:
Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com> [Steve: fix typo in commit message] Reviewed-by:
Steven Price <steven.price@arm.com> Signed-off-by:
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Alyssa Rosenzweig authored
Early versions of the legacy kernel driver included comprehensive feature lists for every GPU, even though most of the enumerated features only matter to userspace. For example, HW_FEATURE_INTERPIPE_REG_ALIASING was a feature bit indicating that a GPU had "interpipe register aliasing": arithmetic, load/store, and texture instruction all use common general-purpose registers. GPUs without this feature bit have dedicated load/store and texture "registers". Whether a GPU has this feature or not is irrelevant to the kernel; it only matters in the userspace compiler's register allocator. It's silly to enumerate it in kernel space, and the information is understandably unused. To underscore the point, this feature only makes sense in the context of the Midgard instruction set. Bifrost never had dedicated load/store or texture registers, so the feature bit was vacuously set for all Bifrost hardware, even though this conveys no useful information. To clean up the feature list, delete feature bits which could not possibly matter to the kernel, leaving only those which do affect the register-level operation of the chip. Signed-off-by:
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- 12 Jan, 2022 7 commits
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Jiasheng Jiang authored
Because of the possible failure of the dma_supported(), the dma_set_mask_and_coherent() may return error num. Therefore, it should be better to check it and return the error if fails. Fixes: f3ba9122 ("drm/panfrost: Add initial panfrost driver") Signed-off-by:
Jiasheng Jiang <jiasheng@iscas.ac.cn> [Steve: fix Fixes: line] Reviewed-by:
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Javier Martinez Canillas authored
The vga16fb framebuffer driver supports both Enhanced Graphics Adapter (EGA) and Video Graphics Array (VGA) 16 color graphic cards. But the logic to check whether the EGA or VGA standard are used is not correct. It just checks if screen_info.orig_video_isVGA is set, but it should check if is set to VIDEO_TYPE_VGAC instead. This means that it assumes to be VGA even if is set to VIDEO_TYPE_EGAC. All non-x86 architectures though treat orig_video_isVGA as a boolean so only do the change for x86 and keep the old logic for the other arches. Signed-off-by:
Javier Martinez Canillas <javierm@redhat.com> Tested-by:
Kris Karas <bugs-a21@moonlit-rail.com> Acked-by:
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Jagan Teki authored
panel_bridge pointer never used anywhere except the one it looked up at nwl_dsi_bridge_attach. Drop it from the nwl_dsi structure. Reviewed-by:
Guido Günther <agx@sigxcpu.org> Signed-off-by:
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Colin Ian King authored
Don't populate the read-only array clock_div_by_lanes on the stack but instead it static const. Also makes the object code a little smaller. Signed-off-by:
Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by:
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Jagan Teki authored
This reverts commit 92e794fa. It is merged by accident, the actual patch series on this bridge conversion is still under review. Revert this as it breaks the exynos DSI. Signed-off-by:
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Thomas Zimmermann authored
Set the source-buffer address after mapping the buffer into the kernel's address space. Makes MIPI DBI helpers work again. Signed-off-by:
Noralf Trønnes <noralf@tronnes.org> Reported-by:
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Minghao Chi authored
Return value directly instead of taking this in another redundant variable. Reported-by:
Zeal Robot <zealci@zte.com.cn> Signed-off-by:
Minghao Chi <chi.minghao@zte.com.cn> Signed-off-by:
CGEL ZTE <cgel.zte@gmail.com> Signed-off-by:
Patrik Jakobsson <patrik.r.jakobsson@gmail.com> Link: https://patchwork.freedesktop.org/patch/msgid/20220112082524.667552-1-chi.minghao@zte.com.cn
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- 11 Jan, 2022 9 commits
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Daniel Vetter authored
Otherwise it's really hard to link to that, which I realized when I wanted to link to the property definitions for a question on irc. Fix it. Reviewed-by:
Daniel Vetter <daniel.vetter@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20220111202714.1128406-1-daniel.vetter@ffwll.ch
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Jiasheng Jiang authored
Because of the possible failure of the dma_supported(), the dma_set_mask_and_coherent() may return error num. Therefore, it should be better to check it and return the error if fails. Also, we can create a variable for the mask to solve the alignment issue. Fixes: 334dd38a ("drm/v3d: Set dma_mask as well as coherent_dma_mask") Signed-off-by:
Melissa Wen <mwen@igalia.com> Signed-off-by:
Melissa Wen <melissa.srw@gmail.com> Link: https://patchwork.freedesktop.org/patch/msgid/20220110013807.4105270-1-jiasheng@iscas.ac.cn
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Jani Nikula authored
Take bit 7 into account when reading sink count from DP_DEVICE_SERVICE_IRQ_VECTOR_ESI0. 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/20220104184857.784563-2-jani.nikula@intel.com
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Jani Nikula authored
DP_SINK_COUNT_ESI and DP_DEVICE_SERVICE_IRQ_VECTOR_ESI0 have the same contents as DP_SINK_COUNT and DP_DEVICE_SERVICE_IRQ_VECTOR, respectively. Signed-off-by:
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Maxime Ripard authored
Once the call to drm_fb_helper_remove_conflicting_framebuffers() has been made, simplefb has been unregistered and the KMS driver is entirely in charge of the display. Thus, we can notify the firmware it can free whatever resource it was using to maintain simplefb functional. Signed-off-by:
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Maxime Ripard authored
The bind hooks will modify their controller registers, so simplefb is going to be unusable anyway. Let's avoid any transient state where it could still be in the system but no longer functionnal. Acked-by:
Nicolas Saenz Julienne <nsaenz@kernel.org> Signed-off-by:
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Maxime Ripard authored
If we have nomodeset on the kernel command line we should have the firmware framebuffer driver kept as is and not try to load the full-blown KMS driver. In this case, let's just register the v3d driver. Signed-off-by:
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Maxime Ripard authored
The RPI_FIRMWARE_NOTIFY_DISPLAY_DONE firmware call allows to tell the firmware the kernel is in charge of the display now and the firmware can free whatever resources it was using. Acked-by:
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Lucas De Marchi authored
Fix typo: separate arguments with comma rather than dot. Signed-off-by:
Lucas De Marchi <lucas.demarchi@intel.com> Signed-off-by:
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- 10 Jan, 2022 7 commits
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Alyssa Rosenzweig authored
Update a comment stating create_bo took no flags, since it now takes a bit mask of optional flags NOEXEC and HEAP. Signed-off-by:
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Rajat Jain authored
Add a static entry in the x86 table, to detect and wait for privacy-screen on some ChromeOS platforms. Please note that this means that if CONFIG_CHROMEOS_PRIVACY_SCREEN is enabled, and if "GOOG0010" device is found in ACPI, then the i915 probe shall return EPROBE_DEFER until a platform driver actually registers the privacy-screen: https://hansdegoede.livejournal.com/25948.htmlSigned-off-by:
Rajat Jain <rajatja@google.com> Reviewed-by:
Hans de Goede <hdegoede@redhat.com> Acked-by:
Benson Leung <bleung@chromium.org> Signed-off-by:
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Rajat Jain authored
This adds the ACPI driver for the ChromeOS privacy screen that is present on some chromeos devices. Note that ideally, we'd want this privacy screen driver to be probed BEFORE the drm probe in order to avoid a drm probe deferral: https://hansdegoede.livejournal.com/25948.html In practise, I found that ACPI drivers are bound to their devices AFTER the drm probe on chromebooks. So on chromebooks with privacy-screen, this patch along with the other one in this series results in a probe deferral of about 250ms for i915 driver. However, it did not result in any user noticeable delay of splash screen in my personal experience. In future if this probe deferral turns out to be an issue, we can consider turning this ACPI driver into something that is probed earlier than the drm drivers. Signed-off-by:
Dmitry Torokhov <dmitry.torokhov@gmail.com> Acked-by:
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Rajat Jain authored
Allow a privacy screen provider to stash its private data pointer in the drm_privacy_screen, and update the drm_privacy_screen_register() call to accept that. Also introduce a *_get_drvdata() so that it can retrieved back when needed. This also touches the IBM Thinkpad platform driver, the only user of privacy screen today, to pass NULL for now to the updated API. Signed-off-by:
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Jagan Teki authored
Existing HPD enablement logic is not compatible with ADV7535 bridge, thus any runtime plug-in of HDMI cable is not working on these bridge designs. Unlike other ADV7511 family of bridges, the ADV7535 require HPD_OVERRIDE bit to set and reset for proper handling of HPD functionality. Fix it. Fixes: 8501fe4b ("drm: bridge: adv7511: Add support for ADV7535") Signed-off-by:
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Xin Ji authored
Provide .get_eld interface in hdmi_codec_ops for hdmi-codec driver. Reviewed-by:
Xin Ji <xji@analogixsemi.com> Signed-off-by:
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Xin Ji authored
This patch provides HDCP setting interface for userspace to dynamic enable/disable HDCP function. Reported-by:
kernel test robot <lkp@intel.com> Reviewed-by:
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