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path: root/drivers/gpu/drm/mediatek/mtk_padding.c
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2024-12-01Get rid of 'remove_new' relic from platform driver structLinus Torvalds
The continual trickle of small conversion patches is grating on me, and is really not helping. Just get rid of the 'remove_new' member function, which is just an alias for the plain 'remove', and had a comment to that effect: /* * .remove_new() is a relic from a prototype conversion of .remove(). * New drivers are supposed to implement .remove(). Once all drivers are * converted to not use .remove_new any more, it will be dropped. */ This was just a tree-wide 'sed' script that replaced '.remove_new' with '.remove', with some care taken to turn a subsequent tab into two tabs to make things line up. I did do some minimal manual whitespace adjustment for places that used spaces to line things up. Then I just removed the old (sic) .remove_new member function, and this is the end result. No more unnecessary conversion noise. Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2024-06-27drm/mediatek: Log errors in probe with dev_err_probe()Nícolas F. R. A. Prado
Use dev_err_probe() to log errors in the probe function of all drm mediatek drivers. This avoids -EPROBE_DEFER return values from being logged as errors, like the following: mediatek-disp-rdma 1c002000.rdma: Failed to add component: -517 As a side benefit it also standardizes the format of the error in the log messages. Signed-off-by: Nícolas F. R. A. Prado <nfraprado@collabora.com> Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com> Reviewed-by: CK Hu <ck.hu@mediatek.com> Link: https://patchwork.kernel.org/project/dri-devel/patch/20240606-mtk-disp-rdma-dev-err-probe-v2-1-3898621767b8@collabora.com/ Signed-off-by: Chun-Kuang Hu <chunkuang.hu@kernel.org>
2024-06-08drm/mediatek: Convert to platform remove callback returning voidUwe Kleine-König
The .remove() callback for a platform driver returns an int which makes many driver authors wrongly assume it's possible to do error handling by returning an error code. However the value returned is ignored (apart from emitting a warning) and this typically results in resource leaks. To improve here there is a quest to make the remove callback return void. In the first step of this quest all drivers are converted to .remove_new(), which already returns void. Eventually after all drivers are converted, .remove_new() will be renamed to .remove(). Trivially convert this driver from always returning zero in the remove callback to the void returning variant. Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Reviewed-by: CK Hu <ck.hu@mediatek.com> Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com> Link: https://patchwork.kernel.org/project/dri-devel/patch/4a64dfbfbcfdf9b7cd46bc8026223e69a4b453b4.1712681770.git.u.kleine-koenig@pengutronix.de/ Signed-off-by: Chun-Kuang Hu <chunkuang.hu@kernel.org>
2024-04-04drm/mediatek: padding: drop driver owner initializationKrzysztof Kozlowski
Core in platform_driver_register() already sets the .owner, so driver does not need to. Whatever is set here will be anyway overwritten by main driver calling platform_driver_register(). Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> Link: https://patchwork.kernel.org/project/dri-devel/patch/20240330-b4-module-owner-drm-mediatek-v1-11-fd5c4b8d633e@linaro.org/ Signed-off-by: Chun-Kuang Hu <chunkuang.hu@kernel.org>
2024-04-01drm/mediatek: Rename files "mtk_drm_ddp_comp.h" to "mtk_ddp_comp.h"Hsiao Chien Sung
Rename files mtk_drm_ddp_comp.h to mtk_ddp_comp.h. Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com> Reviewed-by: CK Hu <ck.hu@mediatek.com> Signed-off-by: Hsiao Chien Sung <shawn.sung@mediatek.corp-partner.google.com> Link: https://patchwork.kernel.org/project/dri-devel/patch/20240322091232.26387-9-shawn.sung@mediatek.com/ Signed-off-by: Chun-Kuang Hu <chunkuang.hu@kernel.org>
2024-04-01drm/mediatek: Rename files "mtk_drm_crtc.h" to "mtk_crtc.h"Hsiao Chien Sung
Rename files mtk_drm_crtc.h to mtk_crtc.h. Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com> Reviewed-by: CK Hu <ck.hu@mediatek.com> Signed-off-by: Hsiao Chien Sung <shawn.sung@mediatek.corp-partner.google.com> Link: https://patchwork.kernel.org/project/dri-devel/patch/20240322091232.26387-7-shawn.sung@mediatek.com/ Signed-off-by: Chun-Kuang Hu <chunkuang.hu@kernel.org>
2023-12-14drm/mediatek: Support MT8188 Padding in display driverHsiao Chien Sung
Padding is a new display module on MT8188, it provides ability to add pixels to width and height of a layer with specified colors. Due to hardware design, Mixer in VDOSYS1 requires width of a layer to be 2-pixel-align, or 4-pixel-align when ETHDR is enabled, we need Padding to deal with odd width. Reviewed-by: CK Hu <ck.hu@mediatek.com> Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com> Signed-off-by: Hsiao Chien Sung <shawn.sung@mediatek.com> Link: https://patchwork.kernel.org/project/dri-devel/patch/20231214055847.4936-19-shawn.sung@mediatek.com/ Signed-off-by: Chun-Kuang Hu <chunkuang.hu@kernel.org>