diff options
| author | Sylwester Nawrocki | 2010-12-08 16:48:23 +0100 |
|---|---|---|
| committer | Mauro Carvalho Chehab | 2011-03-22 00:31:39 +0100 |
| commit | d9160afd31565e44ebbd909b283baad8c9a3c224 (patch) | |
| tree | c0e86da3ea2cff2f0d35364bf829fc5340fb381f /drivers/media/video/s5p-fimc | |
| parent | [media] s5p-fimc: Enable interworking without subdev s_stream (diff) | |
| download | kernel-qcow2-linux-d9160afd31565e44ebbd909b283baad8c9a3c224.tar.gz kernel-qcow2-linux-d9160afd31565e44ebbd909b283baad8c9a3c224.tar.xz kernel-qcow2-linux-d9160afd31565e44ebbd909b283baad8c9a3c224.zip | |
[media] s5p-fimc: Use default input DMA burst count
Increase the input DMA "successive burst count" to default
value 4 to improve DMA performance. Minor cleanup.
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/video/s5p-fimc')
| -rw-r--r-- | drivers/media/video/s5p-fimc/fimc-reg.c | 11 | ||||
| -rw-r--r-- | drivers/media/video/s5p-fimc/regs-fimc.h | 4 |
2 files changed, 5 insertions, 10 deletions
diff --git a/drivers/media/video/s5p-fimc/fimc-reg.c b/drivers/media/video/s5p-fimc/fimc-reg.c index 63660119ef7f..c4703b5800c4 100644 --- a/drivers/media/video/s5p-fimc/fimc-reg.c +++ b/drivers/media/video/s5p-fimc/fimc-reg.c @@ -417,12 +417,10 @@ void fimc_hw_set_in_dma(struct fimc_ctx *ctx) | S5P_MSCTRL_C_INT_IN_MASK | S5P_MSCTRL_2P_IN_ORDER_MASK); - cfg |= (S5P_MSCTRL_FRAME_COUNT(1) | S5P_MSCTRL_INPUT_MEMORY); + cfg |= S5P_MSCTRL_IN_BURST_COUNT(4) | S5P_MSCTRL_INPUT_MEMORY; switch (frame->fmt->color) { - case S5P_FIMC_RGB565: - case S5P_FIMC_RGB666: - case S5P_FIMC_RGB888: + case S5P_FIMC_RGB565...S5P_FIMC_RGB888: cfg |= S5P_MSCTRL_INFORMAT_RGB; break; case S5P_FIMC_YCBCR420: @@ -434,10 +432,7 @@ void fimc_hw_set_in_dma(struct fimc_ctx *ctx) cfg |= S5P_MSCTRL_C_INT_IN_3PLANE; break; - case S5P_FIMC_YCBYCR422: - case S5P_FIMC_YCRYCB422: - case S5P_FIMC_CBYCRY422: - case S5P_FIMC_CRYCBY422: + case S5P_FIMC_YCBYCR422...S5P_FIMC_CRYCBY422: if (frame->fmt->colplanes == 1) { cfg |= ctx->in_order_1p | S5P_MSCTRL_INFORMAT_YCBCR422_1P; diff --git a/drivers/media/video/s5p-fimc/regs-fimc.h b/drivers/media/video/s5p-fimc/regs-fimc.h index 57e33f84fcfa..74ca705df765 100644 --- a/drivers/media/video/s5p-fimc/regs-fimc.h +++ b/drivers/media/video/s5p-fimc/regs-fimc.h @@ -210,7 +210,7 @@ /* Input DMA control */ #define S5P_MSCTRL 0xfc -#define S5P_MSCTRL_IN_BURST_COUNT_MASK (3 << 24) +#define S5P_MSCTRL_IN_BURST_COUNT_MASK (0xF << 24) #define S5P_MSCTRL_2P_IN_ORDER_MASK (3 << 16) #define S5P_MSCTRL_2P_IN_ORDER_SHIFT 16 #define S5P_MSCTRL_C_INT_IN_3PLANE (0 << 15) @@ -237,7 +237,7 @@ #define S5P_MSCTRL_INFORMAT_RGB (3 << 1) #define S5P_MSCTRL_INFORMAT_MASK (3 << 1) #define S5P_MSCTRL_ENVID (1 << 0) -#define S5P_MSCTRL_FRAME_COUNT(x) ((x) << 24) +#define S5P_MSCTRL_IN_BURST_COUNT(x) ((x) << 24) /* Output DMA Y/Cb/Cr offset */ #define S5P_CIOYOFF 0x168 |