- 12 Jan, 2023 5 commits
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Dmitry Baryshkov authored
On sm8450 a register block was removed from MDP TOP. Accessing it during snapshotting results in NoC errors / immediate reboot. Skip accessing these registers during snapshot. Tested-by:
Vinod Koul <vkoul@kernel.org> Reviewed-by:
Konrad Dybcio <konrad.dybcio@linaro.org> Signed-off-by:
Dmitry Baryshkov <dmitry.baryshkov@linaro.org> Patchwork: https://patchwork.freedesktop.org/patch/514239/ Link: https://lore.kernel.org/r/20221207012231.112059-10-dmitry.baryshkov@linaro.orgSigned-off-by:
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Dmitry Baryshkov authored
There is a separate header containing some of MDP TOP register definitions, dpu_hwio.h. Move missing register definitions from dpu_hw_top.c to the mentioned header. Signed-off-by:
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Dmitry Baryshkov authored
Add DPU and MDSS schemas to describe MDSS and DPU blocks on the Qualcomm SM8450 platform. Reviewed-by:
Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> Signed-off-by:
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Dmitry Baryshkov authored
Require only properties declared in given schema, which makes the code a bit more readable and easy to follow. Suggested-by:
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Krzysztof Kozlowski authored
The Devicetree bindings document does not have to say in the title that contains "DT properties", but instead just describe the hardware. Signed-off-by:
Rob Herring <robh@kernel.org> Patchwork: https://patchwork.freedesktop.org/patch/516033/ Link: https://lore.kernel.org/r/20221225115925.55337-1-krzysztof.kozlowski@linaro.orgSigned-off-by:
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- 08 Jan, 2023 3 commits
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Marijn Suijten authored
The mask only describes the `irq_idx % 32` part, making it generally impossible to deduce what interrupt is being enabled/disabled. Since `debug/core_irq` in debugfs (and other prints) also include the full `DPU_IRQ_IDX()` value, print the same full value here for easier correlation instead of only adding the `irq_idx / 32` part. Furthermore, make the dbgstr messages more consistent. Signed-off-by:
Marijn Suijten <marijn.suijten@somainline.org> Reviewed-by:
Martin Botka <martin.botka@somainline.org> Reviewed-by:
Abhinav Kumar <quic_abhinavk@quicinc.com> Patchwork: https://patchwork.freedesktop.org/patch/512460/ Link: https://lore.kernel.org/r/20221121222456.437815-1-marijn.suijten@somainline.orgSigned-off-by:
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Hui Tang authored
Because of the possilble failure of devm_kzalloc(), dpu_wb_conn might be NULL and will cause null pointer dereference later. Therefore, it might be better to check it and directly return -ENOMEM. Fixes: 77b001ac ("drm/msm/dpu: add the writeback connector layer") Signed-off-by:
Hui Tang <tanghui20@huawei.com> Reviewed-by:
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Konrad Dybcio authored
SDM845 only has INTF0-3 and has no business caring about the INTF4 irq. Suggested-by:
Konrad Dybcio <konrad.dybcio@somainline.org> Signed-off-by:
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- 05 Jan, 2023 6 commits
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Akhil P Oommen authored
As per the downstream driver, gx gbif halt is required only during recovery sequence. So lets avoid it during regular rpm suspend. Signed-off-by:
Akhil P Oommen <quic_akhilpo@quicinc.com> Patchwork: https://patchwork.freedesktop.org/patch/515279/ Link: https://lore.kernel.org/r/20221216223253.1.Ice9c47bfeb1fddb8dc377a3491a043a3ee7fca7d@changeidSigned-off-by:
Rob Clark <robdclark@chromium.org>
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Konrad Dybcio authored
So far the adreno quirks have all been assigned with an OR operator, which is problematic, because they were assigned consecutive integer values, which makes checking them with an AND operator kind of no bueno.. Switch to using BIT(n) so that only the quirks that the programmer chose are taken into account when evaluating info->quirks & ADRENO_QUIRK_... Fixes: 370063ee ("drm/msm/adreno: Add A540 support") Reviewed-by:
Rob Clark <robdclark@gmail.com> Signed-off-by:
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Dmitry Baryshkov authored
Fix another oops reproducible when rebooting the board with the Adreno GPU working in the headless mode (e.g. iMX platforms). Unable to handle kernel NULL pointer dereference at virtual address 00000000 when read [00000000] *pgd=74936831, *pte=00000000, *ppte=00000000 Internal error: Oops: 17 [#1] ARM CPU: 0 PID: 51 Comm: reboot Not tainted 6.2.0-rc1-dirty #11 Hardware name: Freescale i.MX53 (Device Tree Support) PC is at msm_atomic_commit_tail+0x50/0x970 LR is at commit_tail+0x9c/0x188 pc : [<c06aa430>] lr : [<c067a214>] psr: 600e0013 sp : e0851d30 ip : ee4eb7eb fp : 00090acc r10: 00000058 r9 : c2193014 r8 : c4310000 r7 : c4759380 r6 : 07bef61d r5 : 00000000 r4 : 00000000 r3 : c44cc440 r2 : 00000000 r1 : 00000000 r0 : 00000000 Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none Control: 10c5387d Table: 74910019 DAC: 00000051 Register r0 information: NULL pointer Register r1 information: NULL pointer Register r2 information: NULL pointer Register r3 information: slab kmalloc-1k start c44cc400 pointer offset 64 size 1024 Register r4 information: NULL pointer Register r5 information: NULL pointer Register r6 information: non-paged memory Register r7 information: slab kmalloc-128 start c4759380 pointer offset 0 size 128 Register r8 information: slab kmalloc-2k start c4310000 pointer offset 0 size 2048 Register r9 information: non-slab/vmalloc memory Register r10 information: non-paged memory Register r11 information: non-paged memory Register r12 information: non-paged memory Process reboot (pid: 51, stack limit = 0xc80046d9) Stack: (0xe0851d30 to 0xe0852000) 1d20: c4759380 fbd77200 000005ff 002b9c70 1d40: c4759380 c4759380 00000000 07bef61d 00000600 c0d6fe7c c2193014 00000058 1d60: 00090acc c067a214 00000000 c4759380 c4310000 00000000 c44cc854 c067a89c 1d80: 00000000 00000000 00000000 c4310468 00000000 c4759380 c4310000 c4310468 1da0: c4310470 c0643258 c4759380 00000000 00000000 c0c4ee24 00000000 c44cc810 1dc0: 00000000 c0c4ee24 00000000 c44cc810 00000000 0347d2a8 e0851e00 e0851e00 1de0: c4759380 c067ad20 c4310000 00000000 c44cc810 c27f8718 c44cc854 c067adb8 1e00: c4933000 00000002 00000001 00000000 00000000 c2130850 00000000 c2130854 1e20: c25fc488 00000000 c0ff162c 00000000 00000001 00000002 00000000 00000000 1e40: c43102c0 c43102c0 00000000 0347d2a8 c44cc810 c44cc814 c2133da8 c06d1a60 1e60: 00000000 00000000 00079028 c2012f24 fee1dead c4933000 00000058 c01431e4 1e80: 01234567 c0143a20 00000000 00000000 00000000 00000000 00000000 00000000 1ea0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1ec0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1ee0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1f00: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1f20: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1f40: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1f60: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1f80: 00000000 00000000 00000000 0347d2a8 00000002 00000004 00000078 00000058 1fa0: c010028c c0100060 00000002 00000004 fee1dead 28121969 01234567 00079028 1fc0: 00000002 00000004 00000078 00000058 0002fdc5 00000000 00000000 00090acc 1fe0: 00000058 becc9c64 b6e97e05 b6e0e5f6 600e0030 fee1dead 00000000 00000000 msm_atomic_commit_tail from commit_tail+0x9c/0x188 commit_tail from drm_atomic_helper_commit+0x160/0x188 drm_atomic_helper_commit from drm_atomic_commit+0xac/0xe0 drm_atomic_commit from drm_atomic_helper_disable_all+0x1b0/0x1c0 drm_atomic_helper_disable_all from drm_atomic_helper_shutdown+0x88/0x140 drm_atomic_helper_shutdown from device_shutdown+0x16c/0x240 device_shutdown from kernel_restart+0x38/0x90 kernel_restart from __do_sys_reboot+0x174/0x224 __do_sys_reboot from ret_fast_syscall+0x0/0x1c Exception stack(0xe0851fa8 to 0xe0851ff0) 1fa0: 00000002 00000004 fee1dead 28121969 01234567 00079028 1fc0: 00000002 00000004 00000078 00000058 0002fdc5 00000000 00000000 00090acc 1fe0: 00000058 becc9c64 b6e97e05 b6e0e5f6 Code: 15922088 1184421c e1500003 1afffff8 (e5953000) ---[ end trace 0000000000000000 ]--- Fixes: 0a58d2ae ("drm/msm: Make .remove and .shutdown HW shutdown consistent") Reported-by:
kernel test robot <lkp@intel.com> Signed-off-by:
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Bryan O'Donoghue authored
There's a typo in describing the core clock as an 'escape' clock. The accurate description is 'core'. Fixes: 4dbe55c9 ("dt-bindings: msm: dsi: add yaml schemas for DSI bindings") Reviewed-by:
Bryan O'Donoghue <bryan.odonoghue@linaro.org> Patchwork: https://patchwork.freedesktop.org/patch/515938/ Link: https://lore.kernel.org/r/20221223021025.1646636-4-bryan.odonoghue@linaro.orgSigned-off-by:
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Bryan O'Donoghue authored
power-domain is required for the sc7180 dispcc GDSC but not every qcom SoC has a similar dependency for example the apq8064. Most Qcom SoC's using mdss-dsi-ctrl seem to have the ability to power-collapse the MDP without collapsing DSI. For example the qcom vendor kernel commit for apq8084, msm8226, msm8916, msm8974. https://review.carbonrom.org/plugins/gitiles/CarbonROM/android_kernel_oneplus_msm8994/+/7b5c011a770daa2811778937ed646237a28a8694 "ARM: dts: msm: add mdss gdsc supply to dsi controller device It is possible for the DSI controller to be active when MDP is power collapsed. DSI controller needs to have it's own vote for mdss gdsc to ensure that gdsc remains on in such cases." This however doesn't appear to be the case for the apq8064 so we shouldn't be marking power-domain as required in yaml checks. Fixes: 4dbe55c9 ("dt-bindings: msm: dsi: add yaml schemas for DSI bindings") Reviewed-by:
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Bryan O'Donoghue authored
The existing msm8916.dtsi does not depend on nor require operating points. Fixes: 4dbe55c9 ("dt-bindings: msm: dsi: add yaml schemas for DSI bindings") Reviewed-by:
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- 04 Jan, 2023 2 commits
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Bryan O'Donoghue authored
Add in missing qcom,dsi-phy-regulator-ldo-mode to the 28nm DSI PHY. When converting from .txt to .yaml we missed this one. Fixes: 4dbe55c9 ("dt-bindings: msm: dsi: add yaml schemas for DSI bindings") Reviewed-by:
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Kuogee Hsieh authored
There are 3 possible interrupt sources are handled by DP controller, HPDstatus, Controller state changes and Aux read/write transaction. At every irq, DP controller have to check isr status of every interrupt sources and service the interrupt if its isr status bits shows interrupts are pending. There is potential race condition may happen at current aux isr handler implementation since it is always complete dp_aux_cmd_fifo_tx() even irq is not for aux read or write transaction. This may cause aux read transaction return premature if host aux data read is in the middle of waiting for sink to complete transferring data to host while irq happen. This will cause host's receiving buffer contains unexpected data. This patch fixes this problem by checking aux isr and return immediately at aux isr handler if there are no any isr status bits set. Current there is a bug report regrading eDP edid corruption happen during system booting up. After lengthy debugging to found that VIDEO_READY interrupt was continuously firing during system booting up which cause dp_aux_isr() to complete dp_aux_cmd_fifo_tx() prematurely to retrieve data from aux hardware buffer which is not yet contains complete data transfer from sink. This cause edid corruption. Follows are the signature at kernel logs when problem happen, EDID has corrupt header panel-simple-dp-aux aux-aea0000.edp: Couldn't identify panel via EDID Changes in v2: -- do complete if (ret == IRQ_HANDLED) ay dp-aux_isr() -- add more commit text Changes in v3: -- add Stephen suggested -- dp_aux_isr() return IRQ_XXX back to caller -- dp_ctrl_isr() return IRQ_XXX back to caller Changes in v4: -- split into two patches Changes in v5: -- delete empty line between tags Changes in v6: -- remove extra "that" and fixed line more than 75 char at commit text Fixes: c943b494 ("drm/msm/dp: add displayPort driver support") Signed-off-by:
Kuogee Hsieh <quic_khsieh@quicinc.com> Tested-by:
Douglas Anderson <dianders@chromium.org> Reviewed-by:
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- 28 Dec, 2022 6 commits
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Christophe JAILLET authored
If an error occurs after a successful msm_hdmi_get_phy() call, it must be undone by a corresponding msm_hdmi_put_phy(), as already done in the remove function. Fixes: 43736546 ("drm/msm/hdmi: move msm_hdmi_get_phy() to msm_hdmi_dev_probe()") Signed-off-by:
Christophe JAILLET <christophe.jaillet@wanadoo.fr> Reviewed-by:
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Miaoqian Lin authored
of_icc_get() alloc resources for path1, we should release it when not need anymore. Early return when IS_ERR_OR_NULL(path0) may leak path1. Defer getting path1 to fix this. Fixes: b9364eed ("drm/msm/dpu: Move min BW request and full BW disable back to mdss") Signed-off-by:
Miaoqian Lin <linmq006@gmail.com> Reviewed-by:
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Adam Skladowski authored
Follow other YAMLs and replace mdss name into display-subystem. Signed-off-by:
Adam Skladowski <a39.skl@gmail.com> Acked-by:
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Konrad Dybcio authored
On some SoCs (hello SM6350) vdds-supply is not wired to any smd-rpm or rpmh regulator, but instead powered by the VDD_MX/mx.lvl line, which is voted for in the DSI ctrl node. Signed-off-by:
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Konrad Dybcio authored
On some SoCs (hello SM6115) vcca-supply is not wired to any smd-rpm or rpmh regulator, but instead powered by the VDD_MX line, which is voted for in the DSI ctrl node. Signed-off-by:
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Yang Li authored
Make the description of @init to @p in dpu_encoder_phys_wb_init() and remove @wb_roi in dpu_encoder_phys_wb_setup_fb() to clear the below warnings: drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_wb.c:139: warning: Excess function parameter 'wb_roi' description in 'dpu_encoder_phys_wb_setup_fb' drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_wb.c:699: warning: Function parameter or member 'p' not described in 'dpu_encoder_phys_wb_init' drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_wb.c:699: warning: Excess function parameter 'init' description in 'dpu_encoder_phys_wb_init' Link: https://bugzilla.openanolis.cn/show_bug.cgi?id=3067Reported-by:
Abaci Robot <abaci@linux.alibaba.com> Signed-off-by:
Yang Li <yang.lee@linux.alibaba.com> Fixes: d7d0e73f ("drm/msm/dpu: introduce the dpu_encoder_phys_* for writeback") Reviewed-by:
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- 26 Nov, 2022 4 commits
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Dmitry Baryshkov authored
Merge branches 'msm-next-lumag-core', 'msm-next-lumag-dpu', 'msm-next-lumag-dp', 'msm-next-lumag-dsi', 'msm-next-lumag-hdmi' and 'msm-next-lumag-mdp5' into msm-next-lumag Core: - MSM_INFO_GET_FLAGS support - Cleaned up MSM IOMMU wrapper code DPU: - Added support for XR30 and P010 image formats - Reworked MDSS/DPU schema, added SM8250 MDSS bindings - Added Qualcomm SM6115 support DP: - Dropped unsane sanity checks DSI: - Fix calculation of DSC pps payload DSI PHY: - DSI PHY support for QCM2290 HDMI: - Reworked dev init path And, as usual, small misc fixes. Signed-off-by: -
Adam Skladowski authored
Add required display hw catalog changes for SM6115. Reviewed-by:
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Adam Skladowski authored
Add DPU and MDSS schemas to describe MDSS and DPU blocks on the Qualcomm SM6115 platform. Configuration for DSI/PHY is shared with QCM2290 so compatibles are reused. Lack of dsi phy supply in example is intended due to fact on qcm2290, sm6115 and sm6125 this phy is supplied via power domain, not regulator. Signed-off-by:
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Dmitry Baryshkov authored
Since the commit commit c6122688 ("drm/msm/mdp5: stop overriding drvdata") reading the MDP5 hw revision on db410c will crash the board as the MDSS_GDSC is not enabled. Revert a part of the offending commit (moving rpm enablement) and set priv->kms earlier. This make it possible to use pm_runtime_get_sync() during read_mdp_hw_revision(), which will power up both the MDP5 and MDSS devices. Fixes: c6122688 ("drm/msm/mdp5: stop overriding drvdata") Signed-off-by:
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- 22 Nov, 2022 2 commits
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Dan Carpenter authored
This code was recently refactored in commit and now the "hdmi" pointer can't be NULL. Checking for NULL leads to a Smatch warning: drivers/gpu/drm/msm/hdmi/hdmi.c:141 msm_hdmi_init() warn: variable dereferenced before check 'hdmi' (see line 119) Fixes: 69a88d86 ("drm/msm/hdmi: move resource allocation to probe function") Signed-off-by:Dan Carpenter <error27@gmail.com> Reviewed-by:
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Bryan O'Donoghue authored
Adding in msm8939 which is based msm8916 dtsi I stumbled across a binding check complaining about the phy name for msm8916 which we were reusing for msm8939. The currently inconsistent upstream dtsi naming of "dsi" and "dsi-phy" is not captured in the yaml for this driver. The driver however doesn't care about the name of DSI phy, hence the yaml check is redundant. Both Krzysztof and Rob suggested we could drop the phy-names entirely if it really isn't a dependency. So, drop the inconsistent and unnecessary phy-names field from the yaml. Signed-off-by:
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- 04 Nov, 2022 12 commits
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Dmitry Baryshkov authored
Allow defining DSI OPP table inside the DSI controller node. Reviewed-by:
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Marijn Suijten authored
The bpg_offset array contains negative BPG offsets which fill the full 8 bits of a char thanks to two's complement: this however results in those bits bleeding into the next field when the value is packed into DSC PPS by the drm_dsc_helper function, which only expects range_bpg_offset to contain 6-bit wide values. As a consequence random slices appear corrupted on-screen (tested on a Sony Tama Akatsuki device with sdm845). Use AND operators to limit these two's complement values to 6 bits, similar to the AMD and i915 drivers. Fixes: b9080324 ("drm/msm/dsi: add support for dsc data") Reviewed-by:
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Marijn Suijten authored
According to the comment this DPU register contains the bits per pixel as a 6.4 fractional value, conveniently matching the contents of bits_per_pixel in struct drm_dsc_config which also uses 4 fractional bits. However, the downstream source this implementation was copy-pasted from has its bpp field stored _without_ fractional part. This makes the entire convoluted math obsolete as it is impossible to pull those 4 fractional bits out of thin air, by somehow trying to reuse the lowest 2 bits of a non-fractional bpp (lsb = bpp % 4??). The rest of the code merely attempts to keep the integer part a multiple of 4, which is rendered useless thanks to data |= dsc->bits_per_pixel << 12; already filling up those bits anyway (but not on downstream). Fixes: c110cfd1 ("drm/msm/disp/dpu1: Add support for DSC") Signed-off-by:
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Marijn Suijten authored
According to the `/* bpc 8 */` comment below only values for a bits_per_component of 8 are currently hardcoded in place. This is further confirmed by downstream sources [1] containing different constants for other BPC values (and different initial_offset too, with an extra dependency on bits_per_pixel). Prevent future mishaps by explicitly disallowing any other bits_per_component value until the right parameters are put in place and tested. [1]: https://git.codelinaro.org/clo/la/platform/vendor/opensource/display-drivers/-/blob/DISPLAY.LA.2.0.r1-08000-WAIPIO.0/msm/sde_dsc_helper.c#L110-139 Fixes: b9080324 ("drm/msm/dsi: add support for dsc data") Reviewed-by:
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Marijn Suijten authored
drm_dsc_config's bits_per_pixel field holds a fractional value with 4 bits, which all panel drivers should adhere to for drm_dsc_pps_payload_pack() to generate a valid payload. All code in the DSI driver here seems to assume that this field doesn't contain any fractional bits, hence resulting in the wrong values being computed. Since none of the calculations leave any room for fractional bits or seem to indicate any possible area of support, disallow such values altogether. calculate_rc_params() in intel_vdsc.c performs an identical bitshift to get at this integer value. Fixes: b9080324 ("drm/msm/dsi: add support for dsc data") Reviewed-by:
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Marijn Suijten authored
As per the FIXME this code is entirely duplicate with what is already provided inside drm_dsc_compute_rc_parameters(), supposedly because that function was yielding "incorrect" results while in reality the panel driver(s?) used for testing were providing incorrect parameters. For example, this code from downstream assumed dsc->bits_per_pixel to contain an integer value, whereas the upstream drm_dsc_config struct stores it with 4 fractional bits. drm_dsc_compute_rc_parameters() already accounts for this feat while the panel driver used for testing [1] wasn't, hence making drm_dsc_compute_rc_parameters() seem like it was returning an incorrect result. Other users of dsc->bits_per_pixel inside dsi_populate_dsc_params() also treat it in the same erroneous way, and will be addressed in a separate patch. In the end, using drm_dsc_compute_rc_parameters() spares both a lot of duplicate code and erratic behaviour. [1]: https://git.linaro.org/people/vinod.koul/kernel.git/commit/?h=topic/pixel3_5.18-rc1&id=1d7d98ad564f1ec69e7525e07418918d90f247a1 Fixes: b9080324 ("drm/msm/dsi: add support for dsc data") Reviewed-by:
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Marijn Suijten authored
This field is currently unread but will come into effect when duplicated code below is migrated to call drm_dsc_compute_rc_parameters(), which uses the bpc-dependent value of the local variable mux_words_size in much the same way. The hardcoded constant seems to be a remnant from the `/* bpc 8 */` comment right above, indicating that this group of field assignments is applicable to bpc = 8 exclusively and should probably bail out on different bpc values, until constants for other bpc values are added (or the current ones are confirmed to be correct across multiple bpc's). Fixes: b9080324 ("drm/msm/dsi: add support for dsc data") Reviewed-by:
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Marijn Suijten authored
dsi_populate_dsc_params() is called prior to dsi_update_dsc_timing() and already computes a value for slice_chunk_size, whose value doesn't need to be recomputed and re-set here. Fixes: 08802f51 ("drm/msm/dsi: Add support for DSC configuration") Reviewed-by:
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Marijn Suijten authored
This exact same math is used to compute bytes_in_slice above in dsi_update_dsc_timing(), also used to fill slice_chunk_size. Fixes: b9080324 ("drm/msm/dsi: add support for dsc data") Reviewed-by:
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Marijn Suijten authored
slice_per_intf is already computed for intf_width, which holds the same value as hdisplay. Fixes: 08802f51 ("drm/msm/dsi: Add support for DSC configuration") Reviewed-by:
Bjorn Andersson <andersson@kernel.org> Reviewed-by:
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Marijn Suijten authored
Multiplying a value by 2 and adding 1 to it always results in a value that is uneven, and that 1 gets truncated immediately when performing integer division by 2 again. There is no "rounding" possible here. After that target_bpp_x16 is used to store a multiplication of bits_per_pixel by 16 which is only ever read to immediately be divided by 16 again, and is elided in much the same way. Fixes: b9080324 ("drm/msm/dsi: add support for dsc data") Reviewed-by:
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Loic Poulain authored
The QCM2290 SoC a the 14nm (V2.0) single DSI phy. The platform is not fully compatible with the standard 14nm PHY, so it requires a separate compatible and config entry. Signed-off-by:
Loic Poulain <loic.poulain@linaro.org> [DB: rebased and updated commit msg] Signed-off-by:
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