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path: root/drivers/gpu/drm/sun4i/sun4i_frontend.c
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Diffstat (limited to 'drivers/gpu/drm/sun4i/sun4i_frontend.c')
-rw-r--r--drivers/gpu/drm/sun4i/sun4i_frontend.c78
1 files changed, 29 insertions, 49 deletions
diff --git a/drivers/gpu/drm/sun4i/sun4i_frontend.c b/drivers/gpu/drm/sun4i/sun4i_frontend.c
index ec2a032e07b9..5e9c4b97c84c 100644
--- a/drivers/gpu/drm/sun4i/sun4i_frontend.c
+++ b/drivers/gpu/drm/sun4i/sun4i_frontend.c
@@ -7,18 +7,19 @@
#include <linux/clk.h>
#include <linux/component.h>
#include <linux/module.h>
-#include <linux/of_device.h>
+#include <linux/of.h>
#include <linux/platform_device.h>
#include <linux/pm_runtime.h>
#include <linux/regmap.h>
#include <linux/reset.h>
#include <drm/drm_device.h>
-#include <drm/drm_fb_cma_helper.h>
+#include <drm/drm_fb_dma_helper.h>
#include <drm/drm_fourcc.h>
#include <drm/drm_framebuffer.h>
-#include <drm/drm_gem_cma_helper.h>
+#include <drm/drm_gem_dma_helper.h>
#include <drm/drm_plane.h>
+#include <drm/drm_print.h>
#include "sun4i_drv.h"
#include "sun4i_frontend.h"
@@ -160,7 +161,7 @@ void sun4i_frontend_update_buffer(struct sun4i_frontend *frontend,
struct drm_framebuffer *fb = state->fb;
unsigned int strides[3] = {};
- dma_addr_t paddr;
+ dma_addr_t dma_addr;
bool swap;
if (fb->modifier == DRM_FORMAT_MOD_ALLWINNER_TILED) {
@@ -221,25 +222,24 @@ void sun4i_frontend_update_buffer(struct sun4i_frontend *frontend,
swap = sun4i_frontend_format_chroma_requires_swap(fb->format->format);
/* Set the physical address of the buffer in memory */
- paddr = drm_fb_cma_get_gem_addr(fb, state, 0);
- paddr -= PHYS_OFFSET;
- DRM_DEBUG_DRIVER("Setting buffer #0 address to %pad\n", &paddr);
- regmap_write(frontend->regs, SUN4I_FRONTEND_BUF_ADDR0_REG, paddr);
+ dma_addr = drm_fb_dma_get_gem_addr(fb, state, 0);
+ DRM_DEBUG_DRIVER("Setting buffer #0 address to %pad\n", &dma_addr);
+ regmap_write(frontend->regs, SUN4I_FRONTEND_BUF_ADDR0_REG, dma_addr);
if (fb->format->num_planes > 1) {
- paddr = drm_fb_cma_get_gem_addr(fb, state, swap ? 2 : 1);
- paddr -= PHYS_OFFSET;
- DRM_DEBUG_DRIVER("Setting buffer #1 address to %pad\n", &paddr);
+ dma_addr = drm_fb_dma_get_gem_addr(fb, state, swap ? 2 : 1);
+ DRM_DEBUG_DRIVER("Setting buffer #1 address to %pad\n",
+ &dma_addr);
regmap_write(frontend->regs, SUN4I_FRONTEND_BUF_ADDR1_REG,
- paddr);
+ dma_addr);
}
if (fb->format->num_planes > 2) {
- paddr = drm_fb_cma_get_gem_addr(fb, state, swap ? 1 : 2);
- paddr -= PHYS_OFFSET;
- DRM_DEBUG_DRIVER("Setting buffer #2 address to %pad\n", &paddr);
+ dma_addr = drm_fb_dma_get_gem_addr(fb, state, swap ? 1 : 2);
+ DRM_DEBUG_DRIVER("Setting buffer #2 address to %pad\n",
+ &dma_addr);
regmap_write(frontend->regs, SUN4I_FRONTEND_BUF_ADDR2_REG,
- paddr);
+ dma_addr);
}
}
EXPORT_SYMBOL(sun4i_frontend_update_buffer);
@@ -407,6 +407,7 @@ int sun4i_frontend_update_formats(struct sun4i_frontend *frontend,
struct drm_framebuffer *fb = state->fb;
const struct drm_format_info *format = fb->format;
uint64_t modifier = fb->modifier;
+ unsigned int ch1_phase_idx;
u32 out_fmt_val;
u32 in_fmt_val, in_mod_val, in_ps_val;
unsigned int i;
@@ -442,18 +443,19 @@ int sun4i_frontend_update_formats(struct sun4i_frontend *frontend,
* I have no idea what this does exactly, but it seems to be
* related to the scaler FIR filter phase parameters.
*/
+ ch1_phase_idx = (format->num_planes > 1) ? 1 : 0;
regmap_write(frontend->regs, SUN4I_FRONTEND_CH0_HORZPHASE_REG,
- frontend->data->ch_phase[0].horzphase);
+ frontend->data->ch_phase[0]);
regmap_write(frontend->regs, SUN4I_FRONTEND_CH1_HORZPHASE_REG,
- frontend->data->ch_phase[1].horzphase);
+ frontend->data->ch_phase[ch1_phase_idx]);
regmap_write(frontend->regs, SUN4I_FRONTEND_CH0_VERTPHASE0_REG,
- frontend->data->ch_phase[0].vertphase[0]);
+ frontend->data->ch_phase[0]);
regmap_write(frontend->regs, SUN4I_FRONTEND_CH1_VERTPHASE0_REG,
- frontend->data->ch_phase[1].vertphase[0]);
+ frontend->data->ch_phase[ch1_phase_idx]);
regmap_write(frontend->regs, SUN4I_FRONTEND_CH0_VERTPHASE1_REG,
- frontend->data->ch_phase[0].vertphase[1]);
+ frontend->data->ch_phase[0]);
regmap_write(frontend->regs, SUN4I_FRONTEND_CH1_VERTPHASE1_REG,
- frontend->data->ch_phase[1].vertphase[1]);
+ frontend->data->ch_phase[ch1_phase_idx]);
/*
* Checking the input format is sufficient since we currently only
@@ -545,7 +547,7 @@ int sun4i_frontend_enable(struct sun4i_frontend *frontend)
}
EXPORT_SYMBOL(sun4i_frontend_enable);
-static struct regmap_config sun4i_frontend_regmap_config = {
+static const struct regmap_config sun4i_frontend_regmap_config = {
.reg_bits = 32,
.val_bits = 32,
.reg_stride = 4,
@@ -559,7 +561,6 @@ static int sun4i_frontend_bind(struct device *dev, struct device *master,
struct sun4i_frontend *frontend;
struct drm_device *drm = data;
struct sun4i_drv *drv = drm->dev_private;
- struct resource *res;
void __iomem *regs;
frontend = devm_kzalloc(dev, sizeof(*frontend), GFP_KERNEL);
@@ -574,8 +575,7 @@ static int sun4i_frontend_bind(struct device *dev, struct device *master,
if (!frontend->data)
return -ENODEV;
- res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- regs = devm_ioremap_resource(dev, res);
+ regs = devm_platform_ioremap_resource(pdev, 0);
if (IS_ERR(regs))
return PTR_ERR(regs);
@@ -635,11 +635,9 @@ static int sun4i_frontend_probe(struct platform_device *pdev)
return component_add(&pdev->dev, &sun4i_frontend_ops);
}
-static int sun4i_frontend_remove(struct platform_device *pdev)
+static void sun4i_frontend_remove(struct platform_device *pdev)
{
component_del(&pdev->dev, &sun4i_frontend_ops);
-
- return 0;
}
static int sun4i_frontend_runtime_resume(struct device *dev)
@@ -687,30 +685,12 @@ static const struct dev_pm_ops sun4i_frontend_pm_ops = {
};
static const struct sun4i_frontend_data sun4i_a10_frontend = {
- .ch_phase = {
- {
- .horzphase = 0,
- .vertphase = { 0, 0 },
- },
- {
- .horzphase = 0xfc000,
- .vertphase = { 0xfc000, 0xfc000 },
- },
- },
+ .ch_phase = { 0x000, 0xfc000 },
.has_coef_rdy = true,
};
static const struct sun4i_frontend_data sun8i_a33_frontend = {
- .ch_phase = {
- {
- .horzphase = 0x400,
- .vertphase = { 0x400, 0x400 },
- },
- {
- .horzphase = 0x400,
- .vertphase = { 0x400, 0x400 },
- },
- },
+ .ch_phase = { 0x400, 0xfc400 },
.has_coef_access_ctrl = true,
};
generated by cgit (git 2.34.1) at 2025-12-25 19:43:35 +0000