mirror of
https://github.com/edk2-porting/linux-next.git
synced 2024-12-26 06:04:14 +08:00
drm/exynos/decon5433: configure sysreg in case of hardware trigger
In case of HW trigger mode, sysreg register should be configured to enable TE functionality. The patch refactors also trigger setup function. Signed-off-by: Andrzej Hajda <a.hajda@samsung.com> Signed-off-by: Inki Dae <inki.dae@samsung.com>
This commit is contained in:
parent
99743ae4c5
commit
b93c2e8b5d
@ -13,9 +13,11 @@
|
||||
#include <linux/platform_device.h>
|
||||
#include <linux/clk.h>
|
||||
#include <linux/component.h>
|
||||
#include <linux/mfd/syscon.h>
|
||||
#include <linux/of_device.h>
|
||||
#include <linux/of_gpio.h>
|
||||
#include <linux/pm_runtime.h>
|
||||
#include <linux/regmap.h>
|
||||
|
||||
#include <video/exynos5433_decon.h>
|
||||
|
||||
@ -25,6 +27,9 @@
|
||||
#include "exynos_drm_plane.h"
|
||||
#include "exynos_drm_iommu.h"
|
||||
|
||||
#define DSD_CFG_MUX 0x1004
|
||||
#define DSD_CFG_MUX_TE_UNMASK_GLOBAL BIT(13)
|
||||
|
||||
#define WINDOWS_NR 3
|
||||
#define MIN_FB_WIDTH_FOR_16WORD_BURST 128
|
||||
|
||||
@ -57,6 +62,7 @@ struct decon_context {
|
||||
struct exynos_drm_plane planes[WINDOWS_NR];
|
||||
struct exynos_drm_plane_config configs[WINDOWS_NR];
|
||||
void __iomem *addr;
|
||||
struct regmap *sysreg;
|
||||
struct clk *clks[ARRAY_SIZE(decon_clks_name)];
|
||||
int pipe;
|
||||
unsigned long flags;
|
||||
@ -118,12 +124,22 @@ static void decon_disable_vblank(struct exynos_drm_crtc *crtc)
|
||||
|
||||
static void decon_setup_trigger(struct decon_context *ctx)
|
||||
{
|
||||
u32 val = !(ctx->out_type & I80_HW_TRG)
|
||||
? TRIGCON_TRIGEN_PER_F | TRIGCON_TRIGEN_F |
|
||||
TRIGCON_TE_AUTO_MASK | TRIGCON_SWTRIGEN
|
||||
: TRIGCON_TRIGEN_PER_F | TRIGCON_TRIGEN_F |
|
||||
TRIGCON_HWTRIGMASK | TRIGCON_HWTRIGEN;
|
||||
writel(val, ctx->addr + DECON_TRIGCON);
|
||||
if (!(ctx->out_type & (IFTYPE_I80 | I80_HW_TRG)))
|
||||
return;
|
||||
|
||||
if (!(ctx->out_type & I80_HW_TRG)) {
|
||||
writel(TRIGCON_TE_AUTO_MASK | TRIGCON_SWTRIGEN
|
||||
| TRIGCON_TE_AUTO_MASK | TRIGCON_SWTRIGEN,
|
||||
ctx->addr + DECON_TRIGCON);
|
||||
return;
|
||||
}
|
||||
|
||||
writel(TRIGCON_TRIGEN_PER_F | TRIGCON_TRIGEN_F | TRIGCON_HWTRIGMASK
|
||||
| TRIGCON_HWTRIGEN, ctx->addr + DECON_TRIGCON);
|
||||
|
||||
if (regmap_update_bits(ctx->sysreg, DSD_CFG_MUX,
|
||||
DSD_CFG_MUX_TE_UNMASK_GLOBAL, ~0))
|
||||
DRM_ERROR("Cannot update sysreg.\n");
|
||||
}
|
||||
|
||||
static void decon_commit(struct exynos_drm_crtc *crtc)
|
||||
@ -142,8 +158,7 @@ static void decon_commit(struct exynos_drm_crtc *crtc)
|
||||
m->crtc_vsync_end = m->crtc_vsync_start + 1;
|
||||
}
|
||||
|
||||
if (ctx->out_type & (IFTYPE_I80 | I80_HW_TRG))
|
||||
decon_setup_trigger(ctx);
|
||||
decon_setup_trigger(ctx);
|
||||
|
||||
/* lcd on and use command if */
|
||||
val = VIDOUT_LCD_ON;
|
||||
@ -637,6 +652,15 @@ static int exynos5433_decon_probe(struct platform_device *pdev)
|
||||
ctx->out_type |= IFTYPE_I80;
|
||||
}
|
||||
|
||||
if (ctx->out_type | I80_HW_TRG) {
|
||||
ctx->sysreg = syscon_regmap_lookup_by_phandle(dev->of_node,
|
||||
"samsung,disp-sysreg");
|
||||
if (IS_ERR(ctx->sysreg)) {
|
||||
dev_err(dev, "failed to get system register\n");
|
||||
return PTR_ERR(ctx->sysreg);
|
||||
}
|
||||
}
|
||||
|
||||
for (i = 0; i < ARRAY_SIZE(decon_clks_name); i++) {
|
||||
struct clk *clk;
|
||||
|
||||
|
Loading…
Reference in New Issue
Block a user