- 08 May, 2023 3 commits
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Maíra Canal authored
Currently, vkms only supports the reflect-x property. Therefore, add the reflect-y property to vkms through a software implementation of the operation. This is possible by reverse reading the y axis during the blending. Note that, by implementing the reflect-x and reflect-y properties, it is also possible to add the rotate-180 property, as it is a combination of those two properties. Tested with igt@kms_rotation_crc@primary-reflect-y [1], igt@kms_rotation_crc@sprite-reflect-y [1], igt@kms_rotation_crc@primary-rotation-180, igt@kms_rotation_crc@sprite-rotation-180, and igt@kms_rotation_crc@cursor-rotation-180. [1] https://patchwork.freedesktop.org/series/116025/Signed-off-by:
Maíra Canal <mcanal@igalia.com> Reviewed-by:
Melissa Wen <mwen@igalia.com> Signed-off-by:
Maíra Canal <mairacanal@riseup.net> Link: https://patchwork.freedesktop.org/patch/msgid/20230418130525.128733-4-mcanal@igalia.com
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Maíra Canal authored
Currently, vkms doesn't support any reflection property. Therefore, add the reflect-x property to vkms through a software implementation of the operation. This is possible by reverse reading the x axis during the blending. Tested with igt@kms_rotation_crc@primary-reflect-x [1] and igt@kms_rotation_crc@sprite-reflect-x [1]. [1] https://patchwork.freedesktop.org/series/116025/Signed-off-by:
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Luc Ma authored
Refer to drmm_vram_helper_init() instead of the non-existent drmm_vram_helper_alloc_mm(). Fixes: a5f23a72 ("drm/vram-helper: Managed vram helpers") Signed-off-by:
Luc Ma <luc@sietium.com> Reviewed-by:
Thomas Zimmermann <tzimmermann@suse.de> Signed-off-by:
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- 06 May, 2023 2 commits
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Marek Vasut authored
Do not generate the HS front and back porch gaps, the HSA gap and EOT packet, as these packets are not required. This makes the bridge work with Samsung DSIM on i.MX8MM and i.MX8MP. Signed-off-by:
Marek Vasut <marex@denx.de> Reviewed-by:
Robert Foss <rfoss@kernel.org> Link: https://patchwork.freedesktop.org/patch/msgid/20230403221233.500485-2-marex@denx.de
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Marek Vasut authored
Do not generate the HS front and back porch gaps, the HSA gap and EOT packet, as these packets are not required. This makes the bridge work with Samsung DSIM on i.MX8MM and i.MX8MP. Signed-off-by:
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- 05 May, 2023 11 commits
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Francesco Dolcini authored
Remove the unused phy_delay_nsk variable, before it was wrongly used to compute some register value, the fixed computation is no longer using it and therefore can be removed. Signed-off-by:
Francesco Dolcini <francesco.dolcini@toradex.com> Reviewed-by:
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Francesco Dolcini authored
Correct computation of THS_TRAILCNT register. This register must be set to a value that ensure that THS_TRAIL > 60 ns + 4 x UI and THS_TRAIL > 8 x UI and THS_TRAIL < TEOT with TEOT = 105 ns + (12 x UI) with the actual value of THS_TRAIL being (1 + THS_TRAILCNT) x ByteClk cycle + ((1 to 2) + 2) xHSBYTECLK cycle + - (PHY output delay) with PHY output delay being about (8 + (5 to 6)) x MIPIBitClk cycle in the BitClk conversion. Fixes: ff1ca639 ("drm/bridge: Add tc358768 driver") Signed-off-by:
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Francesco Dolcini authored
Correct computation of TXTAGOCNT register. This register must be set to a value that ensure that the TTA-GO period = (4 x TLPX) with the actual value of TTA-GO being 4 x (TXTAGOCNT + 1) x (HSByteClk cycle) Fixes: ff1ca639 ("drm/bridge: Add tc358768 driver") Signed-off-by:
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Francesco Dolcini authored
Correct computation of THS_ZEROCNT register. This register must be set to a value that ensure that THS_PREPARE + THS_ZERO > 145ns + 10*UI with the actual value of (THS_PREPARE + THS_ZERO) being ((1 to 2) + 1 + (TCLK_ZEROCNT + 1) + (3 to 4)) x ByteClk cycle + + HSByteClk x (2 + (1 to 2)) + (PHY delay) with PHY delay being about (8 + (5 to 6)) x MIPIBitClk cycle in the BitClk conversion. Fixes: ff1ca639 ("drm/bridge: Add tc358768 driver") Signed-off-by:
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Francesco Dolcini authored
Correct computation of TCLK_TRAILCNT register. The driver does not implement non-continuous clock mode, so the actual value doesn't make a practical difference yet. However this change also ensures that the value does not write to reserved registers bits in case of under/overflow. This register must be set to a value that ensures that TCLK-TRAIL > 60ns and TEOT <= (105 ns + 12 x UI) with the actual value of TCLK-TRAIL being (TCLK_TRAILCNT + (1 to 2)) xHSByteClkCycle + (2 + (1 to 2)) * HSBYTECLKCycle - (PHY output delay) with PHY output delay being about (2 to 3) x MIPIBitClk cycle in the BitClk conversion. Fixes: ff1ca639 ("drm/bridge: Add tc358768 driver") Signed-off-by:
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Francesco Dolcini authored
Correct computation of TCLK_ZEROCNT register. This register must be set to a value that ensure that (TCLK-PREPARECNT + TCLK-ZERO) > 300ns with the actual value of (TCLK-PREPARECNT + TCLK-ZERO) being (1 to 2) + (TCLK_ZEROCNT + 1)) x HSByteClkCycle + (PHY output delay) with PHY output delay being about (2 to 3) x MIPIBitClk cycle in the BitClk conversion. Fixes: ff1ca639 ("drm/bridge: Add tc358768 driver") Signed-off-by:
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Francesco Dolcini authored
Correctly compute the PLL target frequency, the current formula works correctly only when the input bus width is 24bit, actually to properly compute the PLL target frequency what is relevant is the bits-per-pixel on the DSI link. No regression expected since the DSI format is currently hard-coded as MIPI_DSI_FMT_RGB888. Fixes: ff1ca639 ("drm/bridge: Add tc358768 driver") Signed-off-by:
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Francesco Dolcini authored
According to Toshiba documentation the PLL input clock after the divider should be not less than 4MHz, fix the PLL parameters computation accordingly. Fixes: ff1ca639 ("drm/bridge: Add tc358768 driver") Signed-off-by:
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Francesco Dolcini authored
Always enable HS video mode setting the TXMD bit, without this change no video output is present with DSI sinks that are setting MIPI_DSI_MODE_LPM flag (tested with LT8912B DSI-HDMI bridge). Previously the driver was enabling HS mode only when the DSI sink was not explicitly setting the MIPI_DSI_MODE_LPM, however this is not correct. The MIPI_DSI_MODE_LPM is supposed to indicate that the sink is willing to receive data in low power mode, however clearing the TC358768_DSI_CONTROL_TXMD bit will make the TC358768 send video in LP mode that is not the intended behavior. Fixes: ff1ca639 ("drm/bridge: Add tc358768 driver") Signed-off-by:
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Brian Norris authored
If we disable vblank when entering self-refresh, vblank APIs (like DRM_IOCTL_WAIT_VBLANK) no longer work. But user space is not aware when we enter self-refresh, so this appears to be an API violation -- that DRM_IOCTL_WAIT_VBLANK fails with EINVAL whenever the display is idle and enters self-refresh. The downstream driver used by many of these systems never used to disable vblank for PSR, and in fact, even upstream, we didn't do that until radically redesigning the state machine in commit 6c836d96 ("drm/rockchip: Use the helpers for PSR"). Thus, it seems like a reasonable API fix to simply restore that behavior, and leave vblank enabled. Note that this appears to potentially unbalance the drm_crtc_vblank_{off,on}() calls in some cases, but: (a) drm_crtc_vblank_on() documents this as OK and (b) if I do the naive balancing, I find state machine issues such that we're not in sync properly; so it's easier to take advantage of (a). This issue was exposed by IGT's kms_vblank tests, and reported by KernelCI. The bug has been around a while (longer than KernelCI noticed), but was only exposed once self-refresh was bugfixed more recently, and so KernelCI could properly test it. Some other notes in: https://lore.kernel.org/dri-devel/Y6OCg9BPnJvimQLT@google.com/ Re: renesas/master bisection: igt-kms-rockchip.kms_vblank.pipe-A-wait-forked on rk3399-gru-kevin == Backporting notes: == Marking as 'Fixes' commit 6c836d96 ("drm/rockchip: Use the helpers for PSR"), but it probably depends on commit bed030a4 ("drm/rockchip: Don't fully disable vop on self refresh") as well. We also need the previous patch ("drm/atomic: Allow vblank-enabled + self-refresh "disable""), of course. v3: * no update v2: * skip unnecessary lock/unlock Fixes: 6c836d96 ("drm/rockchip: Use the helpers for PSR") Cc: <stable@vger.kernel.org> Reported-by:
"kernelci.org bot" <bot@kernelci.org> Link: https://lore.kernel.org/dri-devel/Y5itf0+yNIQa6fU4@sirena.org.uk/Signed-off-by:
Brian Norris <briannorris@chromium.org> Signed-off-by:
Sean Paul <seanpaul@chromium.org> Link: https://patchwork.freedesktop.org/patch/msgid/20230109171809.v3.2.Ic07cba4ab9a7bd3618a9e4258b8f92ea7d10ae5a@changeid
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Brian Norris authored
The self-refresh helper framework overloads "disable" to sometimes mean "go into self-refresh mode," and this mode activates automatically (e.g., after some period of unchanging display output). In such cases, the display pipe is still considered "on", and user-space is not aware that we went into self-refresh mode. Thus, users may expect that vblank-related features (such as DRM_IOCTL_WAIT_VBLANK) still work properly. However, we trigger the WARN_ONCE() here if a CRTC driver tries to leave vblank enabled. Add a different expectation: that CRTCs *should* leave vblank enabled when going into self-refresh. This patch is preparation for another patch -- "drm/rockchip: vop: Leave vblank enabled in self-refresh" -- which resolves conflicts between the above self-refresh behavior and the API tests in IGT's kms_vblank test module. == Some alternatives discussed: == It's likely that on many display controllers, vblank interrupts will turn off when the CRTC is disabled, and so in some cases, self-refresh may not support vblank. To support such cases, we might consider additions to the generic helpers such that we fire vblank events based on a timer. However, there is currently only one driver using the common self-refresh helpers (i.e., rockchip), and at least as of commit bed030a4 ("drm/rockchip: Don't fully disable vop on self refresh"), the CRTC hardware is powered enough to continue to generate vblank interrupts. So we chose the simpler option of leaving vblank interrupts enabled. We can reevaluate this decision and perhaps augment the helpers if/when we gain a second driver that has different requirements. v3: * include discussion summary v2: * add 'ret != 0' warning case for self-refresh * describe failing test case and relation to drm/rockchip patch better Cc: <stable@vger.kernel.org> # dependency for "drm/rockchip: vop: Leave # vblank enabled in self-refresh" Signed-off-by:
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- 04 May, 2023 1 commit
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Alexander Stein authored
If PLL locking failed, the regulator needs to be disabled again. Fixes: 5664e3c9 ("drm/bridge: ti-sn65dsi83: Add vcc supply regulator support") Signed-off-by:
Alexander Stein <alexander.stein@ew.tq-group.com> Reviewed-by:
Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by:
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- 03 May, 2023 2 commits
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Dan Carpenter authored
The "unode" pointer cannot be NULL here and checking for it causes Smatch warnings: drivers/gpu/drm/udl/udl_main.c:259 udl_get_urb_locked() warn: can 'unode' even be NULL? Fortunately, it's just harmless dead code which can be removed. It's left over from commit c5c354a3 ("drm/udl: Fix inconsistent urbs.count value during udl_free_urb_list()"). Reported-by:
kernel test robot <lkp@intel.com> Signed-off-by:
Dan Carpenter <dan.carpenter@linaro.org> Reviewed-by:
Takashi Iwai <tiwai@suse.de> Signed-off-by:
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Christian König authored
When no hw fence is provided for a job that means that the job didn't executed. Signed-off-by:
Christian König <christian.koenig@amd.com> Reviewed-by:
Luben Tuikov <luben.tuikov@amd.com> Link: https://patchwork.freedesktop.org/patch/msgid/20230427122726.1290170-1-christian.koenig@amd.com
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- 02 May, 2023 2 commits
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Jani Nikula authored
Calling drm_connector_update_edid_property() should be done unconditionally instead of depending on the number of modes added. Also match the call order in inno_hdmi and rk3066_hdmi. Cc: Sandy Huang <hjc@rock-chips.com> Cc: Heiko Stübner <heiko@sntech.de> Signed-off-by:
Jani Nikula <jani.nikula@intel.com> Reviewed-by:
Heiko Stuebner <heiko@sntech.de> Link: https://patchwork.freedesktop.org/patch/msgid/bb733eccfb389533cc6e207689be845164a1ed91.1662036058.git.jani.nikula@intel.com
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Jani Nikula authored
Prefer the parsed results for is_hdmi in display info over calling drm_detect_hdmi_monitor(). Remove the now redundant hdmi_monitor member from struct sti_hdmi. Cc: Alain Volmat <alain.volmat@foss.st.com> Signed-off-by:
Alain Volmat <avolmat@me.com> Link: https://patchwork.freedesktop.org/patch/msgid/74fbd7a83712009734534d92e5499d4d87f0c53b.1662036058.git.jani.nikula@intel.com
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- 28 Apr, 2023 4 commits
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Won Chung authored
Create a symlink pointing to USB Type-C connector for DRM connectors when they are created. The link will be created only if the firmware is able to describe the connection beween the two connectors. Currently, even if a display uses a USB Type-C port, there is no way for the userspace to find which port is used for which display. With the symlink, display information would be accessible from Type-C connectors and port information would be accessible from DRM connectors. Associating the two subsystems, userspace would have potential to expose and utilize more complex information. ChromeOS intend to use this information for metrics collection. For example, we want to tell which port is deriving which displays. Also, combined with USB PD information, we can tell whether user is charging their device through display. Chromium patch for parsing the symlink from the kernel is at http://crrev.com/c/4317207. We already have a framework in typec port-mapper.c where it goes through component devices and runs the bind functions for those with matching _PLD (physical location of device). https://elixir.bootlin.com/linux/v5.18.1/source/drivers/usb/typec/ port-mapper.c Since _PLD is ACPI specific field, this linking would only work on ACPI x86 as long as _PLD field for Type-C connectors and DRM connectors are correctly added to the firmware. Currently, USB ports and USB4 ports are added as components to create a symlink with Type C connector. USB: https://lore.kernel.org/all/20211223082349.45616-1-heikki.krogerus @linux.intel.com/ USB4: https://lore.kernel.org/all/20220418175932.1809770-3-wonchung@google.com/ So, we follow the same pattern in this patch. Signed-off-by:
Won Chung <wonchung@google.com> Acked-by:
Heikki Krogerus <heikki.krogerus@linux.intel.com> Reviewed-by:
Manasi Navare <navaremanasi@chromium.org> Signed-off-by:
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Won Chung authored
Expose DRM connector id in device sysfs so that we can map the connector id to the connector syspath. Currently, even if we can derive the connector id from modeset, we do not have a way to find the corresponding connector's syspath. This is helpful when determining the root connector of MST tree. When a tree of multiple MST hub is connected to the system, modeset describes the tree in the PATH blob. For example, consider the following scenario. +-------------+ | Source | +-------------+ | (Device) | | BranchX | | | | (MST) | | [conn6]--->| [port1]--->DisplayA +-------------+ | | | | +-------------+ | | | BranchY | | | | (MST) | | [port2]--->| [port1]----->DisplayB +-------------+ | | | [port2]----->DisplayC +-------------+ DPMST connector of DisplayA would have "mst:6-1" PATH. DPMST connector of DisplayB would have "mst:6-2-1" PATH. DPMST connector of DisplayC would have "mst:6-2-2" PATH. Given that connector id of 6 is the root of the MST connector tree, we can utilize this patch to parse through DRM connectors sysfs and find which connector syspath corresponds to the root connector (id == 6). ChromeOS intend to use this information for metrics collection. For example, we want to tell which port is deriving which displays even with a MST hub. Chromium patch for parsing DRM connector id from the kernel is at http://crrev.com/c/4317207. Signed-off-by: -
Markus Elfring authored
drm/bridge: it6505: Move a variable assignment behind a null pointer check in receive_timing_debugfs_show() The address of a data structure member was determined before a corresponding null pointer check in the implementation of the function “receive_timing_debugfs_show”. Thus avoid the risk for undefined behaviour by moving the assignment for the variable “vid” behind the null pointer check. This issue was detected by using the Coccinelle software. Fixes: b5c84a9e ("drm/bridge: add it6505 driver") Signed-off-by:
Markus Elfring <elfring@users.sourceforge.net> Link: https://patchwork.freedesktop.org/patch/msgid/fa69384f-1485-142b-c4ee-3df54ac68a89@web.deReviewed-by:
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Ville Syrjälä authored
Document in which order the CTM matrix elements are stored. Signed-off-by:
Ville Syrjälä <ville.syrjala@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20230411222931.15127-2-ville.syrjala@linux.intel.comReviewed-by:
Xaver Hugl <xaver.hugl@gmail.com> Acked-by:
Simon Ser <contact@emersion.fr>
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- 27 Apr, 2023 5 commits
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Tom Rix authored
smatch has several similar warnings to drivers/gpu/drm/meson/meson_venc.c:189:28: warning: symbol 'meson_hdmi_enci_mode_480i' was not declared. Should it be static? These variables are only used in their defining file so should be static Signed-off-by:
Tom Rix <trix@redhat.com> Acked-by:
Martin Blumenstingl <martin.blumenstingl@googlemail.com> Signed-off-by:
Neil Armstrong <neil.armstrong@linaro.org> Link: https://patchwork.freedesktop.org/patch/msgid/20230423145300.3937831-1-trix@redhat.com
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Chris Morgan authored
The Anbernic RG353V-V2 is a 5 inch panel used in a new revision of the Anbernic RG353V handheld gaming device. Add support for it. Unfortunately it appears this controller is not able to support 120hz or 100hz mode like the first revision panel. Signed-off-by:
Chris Morgan <macromorgan@hotmail.com> Reviewed-by:
Guido Günther <agx@sigxcpu.org> Signed-off-by:
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Chris Morgan authored
A later revision of the datasheet for the ST7703 refers to this command as "SETECO". Signed-off-by:
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Chris Morgan authored
The Anbernic RG353V-V2 panel is a 3.5 inch 640x480 MIPI-DSI LCD panel. It's based on the ST7703 LCD controller just like rocktech,jh057n00900. It's used in a 2nd revision of the Anbernic RG353V handheld gaming device. Like the first revision of the RG353V the control chip is known but the panel itself is unknown, so name it for the device. Signed-off-by:
Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> Acked-by:
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Rodrigo Vivi authored
Let’s establish a merge plan for Xe, by writing down clear pre-merge goals, in order to avoid unnecessary delays. This initial document starts with a TODO list containing items with clear and measurable key results. Xe’s initial pull request should only be sent to dri-devel after all the items are clearly resolved. Since many of them involve some level of a community consensus, in many cases, the consensus will be reached in follow-up patches to this document with more details of the API or helpers that will be developed or modified. Besides of the items that are highlighted in this document, it is important to highlight that Oded, has been volunteered to give the overall ack on Xe driver as the way to confirm that it looks good for upstream. v2: Incorporated Daniel's feedback: - Do not make long-running compute a blocker. - Add a mention to drm-exec that that ties to vm_bind and long-running compute jobs. Then I also added GPUVA since I recently noticed that this ties also to the work Matt is doing on that front. - Added the devcoredump section. - Add the mention to Oded being volunteered for the overall ack. v3: Reword a bit the Async VM_BIND to incorporate Daniel's feedback on ensuring the async vmbind consensus explicitly include Mesa, besides other kernel drivers. Cc: Dave Airlie <airlied@redhat.com> Cc: Daniel Vetter <daniel.vetter@ffwll.ch> Cc: Oded Gabbay <ogabbay@kernel.org> Signed-off-by:Rodrigo Vivi <rodrigo.vivi@intel.com> Signed-off-by:
Francois Dugast <francois.dugast@intel.com> Signed-off-by:
Luis Strano <luis.strano@intel.com> Signed-off-by:
Matthew Brost <matthew.brost@intel.com> Signed-off-by:
Thomas Hellström <thomas.hellstrom@linux.intel.com> Signed-off-by:
Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Acked-by:
Daniel Vetter <daniel.vetter@ffwll.ch> Acked-by:
Dave Airlie <airlied@redhat.com> Link: https://patchwork.freedesktop.org/patch/msgid/20230419191913.158807-1-rodrigo.vivi@intel.com
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- 26 Apr, 2023 3 commits
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Maíra Canal authored
Now that VKMS supports full alpha blending on all planes, drop the "ARGB format on primary plane" and "Full alpha blending on all planes" tasks from the TODO list. Signed-off-by:
Arthur Grillo <arthurgrillo@riseup.net> Signed-off-by:
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Maíra Canal authored
Before commit bc0d7fde ("drm: vkms: Supports to the case where primary plane doesn't match the CRTC"), the composition was executed on top of the primary plane. Therefore, the primary plane was not able to support the alpha channel. After commit bc0d7fde, this is possible, as the composition is now executed on top of the CRTC. So, allow all planes to support the alpha channel, making full alpha blending possible in vkms. Signed-off-by:
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Thomas Zimmermann authored
Move the implementation of fb_pgprotect() to fbdev.c and include <asm/fb.h>. Fixes the following warning: ../arch/x86/video/fbdev.c:14:5: warning: no previous prototype for 'fb_is_primary_device' [-Wmissing-prototypes] 14 | int fb_is_primary_device(struct fb_info *info) | ^~~~~~~~~~~~~~~~~~~~ Just including <asm/fb.h> results in a number of built-in errors about undefined function. Moving fb_pgprotect() to the source file avoids the required include statements in the header. The function is only called occasionally from fb_mmap(), [1] so having it as static inline had no benefit. While at it, fix the codying style in fbdev.c. Link: https://elixir.bootlin.com/linux/v6.3-rc7/source/drivers/video/fbdev/core/fbmem.c#L1404 # 1 Signed-off-by:Javier Martinez Canillas <javierm@redhat.com> Link: https://patchwork.freedesktop.org/patch/msgid/20230424084751.14641-1-tzimmermann@suse.de
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- 25 Apr, 2023 7 commits
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Francesco Dolcini authored
Add atomic_get_input_bus_fmts() implementation, tc358768 has a parallel RGB input interface with the actual bus format depending on the amount of parallel input data lines. Without this change when the tc358768 is used with less than 24bit the color mapping is completely wrong. Signed-off-by:
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Dave Stevenson authored
Even though we report that we support the BT.2020 Colorspace, we were always using the BT.709 conversion matrices. Let's add the BT.2020 ones. Signed-off-by:
Dave Stevenson <dave.stevenson@raspberrypi.com> Reviewed-by:
Maxime Ripard <maxime@cerno.tech>
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Dave Stevenson authored
Even though we report that we support the BT601 Colorspace, we were always using the BT.709 conversion matrices. Let's add the BT601 ones. Signed-off-by:
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Dave Stevenson authored
The CSC matrix to use depends on the output format, its range and the colorspace. Since we're going to add more colorspaces, let's move the CSC matrix retrieval to a function. Signed-off-by:
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Dave Stevenson authored
The CSC matrices were stored as separate matrix for each colorspace, and if we wanted a limited or full RGB output. This created some gaps in our support and we would not always pick the relevant matrix. Let's rework our data structure to store one per colorspace, and then a matrix for limited range and one for full range. This makes us add a new matrix to support full range BT709 YUV output. Signed-off-by:
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Dave Stevenson authored
YUV444 and YUV422 actually require the same matrix, but programmed differently. We've dealt with it in the past by having two matrices, with the one for YUV444 reordered to accomodate the hardware. This gets in the way of subsequent reworks so let's define a function that will take the coefficients swap into account, and remove the now redundant YUV444 matrix. Signed-off-by:
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Dave Stevenson authored
The VC4 HDMI driver has a helper function to figure out whether full range or limited range RGB is being used called vc4_hdmi_is_full_range_rgb(). We'll need it to support other colorspaces, so let's rename it to vc4_hdmi_is_full_range(). Signed-off-by:
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