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LF-7555-1: drm: imx: lcdifv3: Remove mode_valid function

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Remove mode_valid function, video modes should be checked in
encoder or bridge drivers.

Signed-off-by: Sandor Yu <Sandor.yu@nxp.com>
Reviewed-by: Liu Ying <victor.liu@nxp.com>
This commit is contained in:
Sandor Yu 2023-12-11 14:39:47 +08:00
parent 268081c936
commit 248e047b2d
3 changed files with 0 additions and 58 deletions
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46
drivers/gpu/drm/imx/lcdifv3/lcdifv3-crtc.c
View File

@ -12,7 +12,6 @@
#include <linux/pm_runtime.h>
#include <drm/drm_atomic.h>
#include <drm/drm_atomic_helper.h>
#include <drm/drm_edid.h>
#include <drm/drm_framebuffer.h>
#include <drm/drm_vblank.h>
#include <video/imx-lcdifv3.h>
@ -204,57 +203,12 @@ static void lcdifv3_crtc_atomic_disable(struct drm_crtc *crtc,
pm_runtime_put(lcdifv3_crtc->dev->parent);
}
static enum drm_mode_status lcdifv3_crtc_mode_valid(struct drm_crtc * crtc,
const struct drm_display_mode *mode)
{
u8 vic;
long rounded_rate;
unsigned long pclk_rate;
struct drm_display_mode *dmt, copy;
struct lcdifv3_crtc *lcdifv3_crtc = to_lcdifv3_crtc(crtc);
struct lcdifv3_soc *lcdifv3 = dev_get_drvdata(lcdifv3_crtc->dev->parent);
/* check CEA-861 mode */
vic = drm_match_cea_mode(mode);
if (vic)
goto check_pix_clk;
/* check DMT mode */
dmt = drm_mode_find_dmt(crtc->dev, mode->hdisplay, mode->vdisplay,
drm_mode_vrefresh(mode), false);
if (dmt) {
drm_mode_copy(&copy, dmt);
drm_mode_destroy(crtc->dev, dmt);
if (drm_mode_equal(mode, &copy))
goto check_pix_clk;
}
return MODE_OK;
check_pix_clk:
pclk_rate = mode->clock * 1000;
rounded_rate = lcdifv3_pix_clk_round_rate(lcdifv3, pclk_rate);
if (rounded_rate <= 0)
return MODE_BAD;
/* allow +/-0.5% HDMI pixel clock rate shift */
if (rounded_rate < pclk_rate * 995 / 1000 ||
rounded_rate > pclk_rate * 1005 / 1000)
return MODE_BAD;
return MODE_OK;
}
static const struct drm_crtc_helper_funcs lcdifv3_helper_funcs = {
.atomic_check = lcdifv3_crtc_atomic_check,
.atomic_begin = lcdifv3_crtc_atomic_begin,
.atomic_flush = lcdifv3_crtc_atomic_flush,
.atomic_enable = lcdifv3_crtc_atomic_enable,
.atomic_disable = lcdifv3_crtc_atomic_disable,
.mode_valid = lcdifv3_crtc_mode_valid,
};
static int lcdifv3_enable_vblank(struct drm_crtc *crtc)

10
drivers/gpu/imx/lcdifv3/lcdifv3-common.c
View File

@ -501,16 +501,6 @@ void lcdifv3_disable_controller(struct lcdifv3_soc *lcdifv3)
}
EXPORT_SYMBOL(lcdifv3_disable_controller);
long lcdifv3_pix_clk_round_rate(struct lcdifv3_soc *lcdifv3,
unsigned long rate)
{
if (unlikely(!rate))
return -EINVAL;
return clk_round_rate(lcdifv3->clk_pix, rate);
}
EXPORT_SYMBOL(lcdifv3_pix_clk_round_rate);
static int platform_remove_device_fn(struct device *dev, void *data)
{
struct platform_device *pdev = to_platform_device(dev);

2
include/video/imx-lcdifv3.h
View File

@ -29,7 +29,5 @@ void lcdifv3_en_shadow_load(struct lcdifv3_soc *lcdifv3);
void lcdifv3_enable_controller(struct lcdifv3_soc *lcdifv3);
void lcdifv3_disable_controller(struct lcdifv3_soc *lcdifv3);
void lcdifv3_dump_registers(struct lcdifv3_soc *lcdifv3);
long lcdifv3_pix_clk_round_rate(struct lcdifv3_soc *lcdifv3,
unsigned long rate);
#endif