kernel/linux.git/drivers/gpu/drm/mxsfb, branch v6.1.38

drm: mxsfb: DRM_MXSFB should depend on ARCH_MXS || ARCH_MXC

2023-03-10T08:33:09+00:00

[ Upstream commit 7783cc67862f9166c901bfa0f80b717aa8d354dd ] Freescale/NXP i.MX LCDIF and eLCDIF LCD controllers are only present on Freescale/NXP i.MX SoCs. Hence add a dependency on ARCH_MXS || ARCH_MXC, to prevent asking the user about this driver when configuring a kernel without Freescale/NXP i.MX support. Fixes: 45d59d704080cc0c ("drm: Add new driver for MXSFB controller") Signed-off-by: Geert Uytterhoeven Reviewed-by: Marek Vasut Signed-off-by: Marek Vasut Link: https://patchwork.freedesktop.org/patch/msgid/98e74779ca2bc575d91afff03369e86b080c01ac.1669046358.git.geert+renesas@glider.be Signed-off-by: Sasha Levin

drm: mxsfb: DRM_IMX_LCDIF should depend on ARCH_MXC

2023-03-10T08:33:09+00:00

[ Upstream commit 10ef5f2992006720318b9886961820155b3750fd ] The Freescale/NXP i.MX LCDIFv3 LCD controller is only present on Freescale/NXP i.MX SoCs. Hence add a dependency on ARCH_MXC, to prevent asking the user about this driver when configuring a kernel without Freescale/NXP i.MX support. Fixes: 9db35bb349a0ef32 ("drm: lcdif: Add support for i.MX8MP LCDIF variant") Signed-off-by: Geert Uytterhoeven Reviewed-by: Marek Vasut Signed-off-by: Marek Vasut Link: https://patchwork.freedesktop.org/patch/msgid/6103c1aa65a7888c12d351ae63f29850f29f42b9.1669046403.git.geert+renesas@glider.be Signed-off-by: Sasha Levin

drm: lcdif: Set and enable FIFO Panic threshold

2022-12-31T12:32:09+00:00

[ Upstream commit e3cac8f7749f78dacdf19c00ed5862a1db52239f ] In case the LCDIFv3 is used to drive a 4k panel via i.MX8MP HDMI bridge, the LCDIFv3 becomes susceptible to FIFO underflows, these lead to nasty flicker of the image on the panel, or image being shifted by half frame horizontally every second frame. The flicker can be easily triggered by running 3D application on top of weston compositor, like neverball or chromium. Surprisingly glmark2-es2-wayland or glmark2-es2-drm does not trigger this effect so easily. Configure the FIFO Panic threshold register and enable the FIFO Panic mode, which internally boosts the NoC interconnect priority for LCDIFv3 transactions in case of possible underflow. This mitigates the flicker effect on 4k panels as well. Fixes: 9db35bb349a0 ("drm: lcdif: Add support for i.MX8MP LCDIF variant") Signed-off-by: Marek Vasut Tested-by: Liu Ying # i.MX8mp EVK Reviewed-by: Liu Ying Link: https://patchwork.freedesktop.org/patch/msgid/20221101152629.21768-1-marex@denx.de Signed-off-by: Sasha Levin

drm: lcdif: change burst size to 256B

2022-12-31T12:32:06+00:00

[ Upstream commit 2215cb3be5c28a1fd43036550c00c2371aeeba95 ] If a axi bus master with a higher priority do a lot of memory access FIFO underruns can be inspected. Increase the burst size to 256B to avoid such underruns and to improve the memory access efficiency. Fixes: 9db35bb349a0 ("drm: lcdif: Add support for i.MX8MP LCDIF variant") Signed-off-by: Marco Felsch Reviewed-by: Marek Vasut Signed-off-by: Marek Vasut Link: https://patchwork.freedesktop.org/patch/msgid/20221101164615.778299-1-m.felsch@pengutronix.de Signed-off-by: Sasha Levin

drm: lcdif: Switch to limited range for RGB to YUV conversion

2022-12-31T12:32:02+00:00

[ Upstream commit ec39dee8b25229a646271815cc86a8fc865525cf ] Up to and including v1.3, HDMI supported limited quantization range only for YCbCr. HDMI v1.4 introduced selectable quantization ranges, but this feature isn't supported in the dw-hdmi driver that is used in conjunction with the LCDIF in the i.MX8MP. The HDMI YCbCr output is thus always advertised in the AVI infoframe as limited range. The LCDIF driver, on the other hand, configures the CSC to produce full range YCbCr. This mismatch results in loss of details and incorrect colours. Fix it by switching to limited range YCbCr. The coefficients are copied from drivers/media/platforms/nxp/imx-pxp.c for coherency, as the hardware is most likely identical. Fixes: 9db35bb349a0 ("drm: lcdif: Add support for i.MX8MP LCDIF variant") Signed-off-by: Laurent Pinchart Reviewed-by: Marek Vasut Reviewed-by: Kieran Bingham Reviewed-by: Liu Ying Signed-off-by: Marek Vasut Link: https://patchwork.freedesktop.org/patch/msgid/20220930083955.31580-4-laurent.pinchart@ideasonboard.com Signed-off-by: Sasha Levin

drm/lcdif: switch to devm_drm_of_get_bridge

2022-08-22T14:53:31+00:00

The function "drm_of_find_panel_or_bridge" has been deprecated in favor of "devm_drm_of_get_bridge". Switch to the new function and reduce boilerplate. Acked-by: Sam Ravnborg Reviewed-by: Liu Ying Reported-by: Liu Ying Tested-by: Martyn Welch Fixes: 9db35bb349a0e ("drm: lcdif: Add support for i.MX8MP LCDIF variant") Signed-off-by: Marek Vasut Cc: Alexander Stein Cc: Laurent Pinchart Cc: Liu Ying Cc: Lucas Stach Cc: Marek Vasut Cc: Martyn Welch Cc: Peng Fan Cc: Robby Cai Cc: Sam Ravnborg Cc: Stefan Agner Reviewed-by: Alexander Stein Link: https://patchwork.freedesktop.org/patch/msgid/20220819140852.255187-4-marex@denx.de

drm/lcdif: Clean up debug prints and comments

2022-08-22T14:53:30+00:00

Update debug print to report bridge timings over connector ones. Drop missed comment commit from mxsfb. Acked-by: Sam Ravnborg Reviewed-by: Liu Ying Reported-by: Liu Ying Tested-by: Martyn Welch Fixes: 9db35bb349a0e ("drm: lcdif: Add support for i.MX8MP LCDIF variant") Signed-off-by: Marek Vasut Cc: Alexander Stein Cc: Laurent Pinchart Cc: Liu Ying Cc: Lucas Stach Cc: Marek Vasut Cc: Martyn Welch Cc: Peng Fan Cc: Robby Cai Cc: Sam Ravnborg Cc: Stefan Agner Link: https://patchwork.freedesktop.org/patch/msgid/20220819140852.255187-3-marex@denx.de

drm/lcdif: Consistently use plain timings

2022-08-22T14:53:30+00:00

Drop the crtc_ prefix from mode, consistently use the plain one. Acked-by: Sam Ravnborg Reviewed-by: Liu Ying Reported-by: Liu Ying Tested-by: Martyn Welch Fixes: 9db35bb349a0e ("drm: lcdif: Add support for i.MX8MP LCDIF variant") Signed-off-by: Marek Vasut Cc: Alexander Stein Cc: Laurent Pinchart Cc: Liu Ying Cc: Lucas Stach Cc: Marek Vasut Cc: Martyn Welch Cc: Peng Fan Cc: Robby Cai Cc: Sam Ravnborg Cc: Stefan Agner Link: https://patchwork.freedesktop.org/patch/msgid/20220819140852.255187-2-marex@denx.de

drm/lcdif: Clean up headers

2022-08-22T14:53:29+00:00

Drop unneeded headers, sort rest alphabetically, no functional change. Acked-by: Sam Ravnborg Reviewed-by: Liu Ying Reported-by: Liu Ying Tested-by: Martyn Welch Fixes: 9db35bb349a0e ("drm: lcdif: Add support for i.MX8MP LCDIF variant") Signed-off-by: Marek Vasut Cc: Alexander Stein Cc: Laurent Pinchart Cc: Liu Ying Cc: Lucas Stach Cc: Marek Vasut Cc: Martyn Welch Cc: Peng Fan Cc: Robby Cai Cc: Sam Ravnborg Cc: Stefan Agner Reviewed-by: Alexander Stein Link: https://patchwork.freedesktop.org/patch/msgid/20220819140852.255187-1-marex@denx.de

drm/gem: rename struct drm_gem_dma_object.{paddr => dma_addr}

2022-08-03T16:32:27+00:00

The field paddr of struct drm_gem_dma_object holds a DMA address, which might actually be a physical address. However, depending on the platform, it can also be a bus address or a virtual address managed by an IOMMU. Hence, rename the field to dma_addr, which is more applicable. In order to do this renaming the following coccinelle script was used: ``` @@ struct drm_gem_dma_object *gem; @@ - gem->paddr + gem->dma_addr @@ struct drm_gem_dma_object gem; @@ - gem.paddr + gem.dma_addr @exists@ typedef dma_addr_t; symbol paddr; @@ dma_addr_t paddr; <... - paddr + dma_addr ...> @@ symbol paddr; @@ dma_addr_t - paddr + dma_addr ; ``` This patch is compile-time tested with: ``` make ARCH={x86_64,arm,arm64} allyesconfig make ARCH={x86_64,arm,arm64} drivers/gpu/drm` ``` Acked-by: Sam Ravnborg Suggested-by: Laurent Pinchart Reviewed-by: Laurent Pinchart Signed-off-by: Danilo Krummrich Signed-off-by: Sam Ravnborg Link: https://patchwork.freedesktop.org/patch/msgid/20220802000405.949236-5-dakr@redhat.com