From ba1b9f8c4658663dd66e992bef31f6f8747b6c8c Mon Sep 17 00:00:00 2001 From: "james qian wang (Arm Technology China)" Date: Thu, 25 Apr 2019 07:12:09 +0100 Subject: drm/komeda: Constify the usage of komeda_component/pipeline/dev_funcs Depends on: - https://patchwork.freedesktop.org/series/58976/ - https://patchwork.freedesktop.org/series/59855/ Reported-by: Emil Velikov Signed-off-by: James Qian Wang (Arm Technology China) Signed-off-by: Liviu Dudau --- drivers/gpu/drm/arm/display/komeda/komeda_dev.h | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) (limited to 'drivers/gpu/drm/arm/display/komeda/komeda_dev.h') diff --git a/drivers/gpu/drm/arm/display/komeda/komeda_dev.h b/drivers/gpu/drm/arm/display/komeda/komeda_dev.h index 29e03c4e1ffc..994c6ea3039b 100644 --- a/drivers/gpu/drm/arm/display/komeda/komeda_dev.h +++ b/drivers/gpu/drm/arm/display/komeda/komeda_dev.h @@ -60,7 +60,7 @@ struct komeda_chip_info { struct komeda_product_data { u32 product_id; - struct komeda_dev_funcs *(*identify)(u32 __iomem *reg, + const struct komeda_dev_funcs *(*identify)(u32 __iomem *reg, struct komeda_chip_info *info); }; @@ -173,7 +173,7 @@ struct komeda_dev { struct komeda_pipeline *pipelines[KOMEDA_MAX_PIPELINES]; /** @funcs: chip funcs to access to HW */ - struct komeda_dev_funcs *funcs; + const struct komeda_dev_funcs *funcs; /** * @chip_data: * @@ -192,7 +192,7 @@ komeda_product_match(struct komeda_dev *mdev, u32 target) return MALIDP_CORE_ID_PRODUCT_ID(mdev->chip.core_id) == target; } -struct komeda_dev_funcs * +const struct komeda_dev_funcs * d71_identify(u32 __iomem *reg, struct komeda_chip_info *chip); struct komeda_dev *komeda_dev_create(struct device *dev); -- cgit v1.2.3 From a260e0b847f079b7eda85a76fc066a6537f34951 Mon Sep 17 00:00:00 2001 From: "Lowry Li (Arm Technology China)" Date: Thu, 11 Apr 2019 09:37:13 +0100 Subject: drm/komeda: fixing of DMA mapping sg segment warning Fixing the DMA mapping sg segment warning, which shows "DMA-API: mapping sg segment longer than device claims to support [len=921600] [max=65536]". Fixed by setting the max segment size at Komeda driver. This patch depends on: - https://patchwork.freedesktop.org/series/54448/ - https://patchwork.freedesktop.org/series/54449/ - https://patchwork.freedesktop.org/series/54450/ - https://patchwork.freedesktop.org/series/58976/ Changes since v1: - Adds member description - Adds patch denpendency in the comment Signed-off-by: Lowry Li (Arm Technology China) Reviewed-by: James Qian Wang (Arm Technology China) Reviewed-by: Ayan Kumar Halder Signed-off-by: Liviu Dudau --- drivers/gpu/drm/arm/display/komeda/komeda_dev.c | 4 ++++ drivers/gpu/drm/arm/display/komeda/komeda_dev.h | 2 ++ 2 files changed, 6 insertions(+) (limited to 'drivers/gpu/drm/arm/display/komeda/komeda_dev.h') diff --git a/drivers/gpu/drm/arm/display/komeda/komeda_dev.c b/drivers/gpu/drm/arm/display/komeda/komeda_dev.c index d7527e126658..b67030a9f056 100644 --- a/drivers/gpu/drm/arm/display/komeda/komeda_dev.c +++ b/drivers/gpu/drm/arm/display/komeda/komeda_dev.c @@ -8,6 +8,7 @@ #include #include #include +#include #ifdef CONFIG_DEBUG_FS #include #include @@ -249,6 +250,9 @@ struct komeda_dev *komeda_dev_create(struct device *dev) goto err_cleanup; } + dev->dma_parms = &mdev->dma_parms; + dma_set_max_seg_size(dev, DMA_BIT_MASK(32)); + err = sysfs_create_group(&dev->kobj, &komeda_sysfs_attr_group); if (err) { DRM_ERROR("create sysfs group failed.\n"); diff --git a/drivers/gpu/drm/arm/display/komeda/komeda_dev.h b/drivers/gpu/drm/arm/display/komeda/komeda_dev.h index 994c6ea3039b..973fd5e0eb98 100644 --- a/drivers/gpu/drm/arm/display/komeda/komeda_dev.h +++ b/drivers/gpu/drm/arm/display/komeda/komeda_dev.h @@ -149,6 +149,8 @@ struct komeda_dev { struct device *dev; /** @reg_base: the base address of komeda io space */ u32 __iomem *reg_base; + /** @dma_parms: the dma parameters of komeda */ + struct device_dma_parameters dma_parms; /** @chip: the basic chip information */ struct komeda_chip_info chip; -- cgit v1.2.3