#include <linux/mfd/syscon.h>
#include <linux/regmap.h>
#include <linux/of.h>
+#include <linux/component.h>
#include <video/omapdss.h>
bool mstandby_workaround:1;
bool set_max_preload:1;
+
+ /* PIXEL_INC is not added to the last pixel of a line */
+ bool last_pixel_inc_missing:1;
};
#define DISPC_MAX_NR_FIFOS 5
row_repeat = false;
}
+ /*
+ * OMAP4/5 Errata i631:
+ * NV12 in 1D mode must use ROTATION=1. Otherwise DSS will fetch extra
+ * rows beyond the framebuffer, which may cause OCP error.
+ */
+ if (color_mode == OMAP_DSS_COLOR_NV12 &&
+ rotation_type != OMAP_DSS_ROT_TILER)
+ vidrot = 1;
+
REG_FLD_MOD(DISPC_OVL_ATTRIBUTES(plane), vidrot, 13, 12);
if (dss_has_feature(FEAT_ROWREPEATENABLE))
REG_FLD_MOD(DISPC_OVL_ATTRIBUTES(plane),
if (height > out_height) {
unsigned int ppl = mgr_timings->x_res;
- tmp = pclk * height * out_width;
+ tmp = (u64)pclk * height * out_width;
do_div(tmp, 2 * out_height * ppl);
core_clk = tmp;
if (ppl == out_width)
return 0;
- tmp = pclk * (height - 2 * out_height) * out_width;
+ tmp = (u64)pclk * (height - 2 * out_height) * out_width;
do_div(tmp, 2 * out_height * (ppl - out_width));
core_clk = max_t(u32, core_clk, tmp);
}
}
if (width > out_width) {
- tmp = pclk * width;
+ tmp = (u64)pclk * width;
do_div(tmp, out_width);
core_clk = max_t(u32, core_clk, tmp);
}
} while (*decim_x <= *x_predecim && *decim_y <= *y_predecim && error);
+ if (error) {
+ DSSERR("failed to find scaling settings\n");
+ return -EINVAL;
+ }
+
if (in_width > maxsinglelinewidth) {
DSSERR("Cannot scale max input width exceeded");
return -EINVAL;
{
int error;
u16 in_width, in_height;
- int min_factor = min(*decim_x, *decim_y);
const int maxsinglelinewidth =
dss_feat_get_param_max(FEAT_PARAM_LINEWIDTH);
error = (error || in_width > maxsinglelinewidth * 2 ||
(in_width > maxsinglelinewidth && *five_taps) ||
!*core_clk || *core_clk > dispc_core_clk_rate());
- if (error) {
- if (*decim_x == *decim_y) {
- *decim_x = min_factor;
- ++*decim_y;
+
+ if (!error) {
+ /* verify that we're inside the limits of scaler */
+ if (in_width / 4 > out_width)
+ error = 1;
+
+ if (*five_taps) {
+ if (in_height / 4 > out_height)
+ error = 1;
} else {
- swap(*decim_x, *decim_y);
- if (*decim_x < *decim_y)
- ++*decim_x;
+ if (in_height / 2 > out_height)
+ error = 1;
}
}
+
+ if (error)
+ ++*decim_y;
} while (*decim_x <= *x_predecim && *decim_y <= *y_predecim && error);
- if (check_horiz_timing_omap3(pclk, lclk, mgr_timings, pos_x, width,
- height, out_width, out_height, *five_taps)) {
+ if (error) {
+ DSSERR("failed to find scaling settings\n");
+ return -EINVAL;
+ }
+
+ if (check_horiz_timing_omap3(pclk, lclk, mgr_timings, pos_x, in_width,
+ in_height, out_width, out_height, *five_taps)) {
DSSERR("horizontal timing too tight\n");
return -EINVAL;
}
return 0;
}
+#define DIV_FRAC(dividend, divisor) \
+ ((dividend) * 100 / (divisor) - ((dividend) / (divisor) * 100))
+
static int dispc_ovl_calc_scaling(unsigned long pclk, unsigned long lclk,
enum omap_overlay_caps caps,
const struct omap_video_timings *mgr_timings,
if (ret)
return ret;
- DSSDBG("required core clk rate = %lu Hz\n", core_clk);
- DSSDBG("current core clk rate = %lu Hz\n", dispc_core_clk_rate());
+ DSSDBG("%dx%d -> %dx%d (%d.%02d x %d.%02d), decim %dx%d %dx%d (%d.%02d x %d.%02d), taps %d, req clk %lu, cur clk %lu\n",
+ width, height,
+ out_width, out_height,
+ out_width / width, DIV_FRAC(out_width, width),
+ out_height / height, DIV_FRAC(out_height, height),
+
+ decim_x, decim_y,
+ width / decim_x, height / decim_y,
+ out_width / (width / decim_x), DIV_FRAC(out_width, width / decim_x),
+ out_height / (height / decim_y), DIV_FRAC(out_height, height / decim_y),
+
+ *five_taps ? 5 : 3,
+ core_clk, dispc_core_clk_rate());
if (!core_clk || core_clk > dispc_core_clk_rate()) {
DSSERR("failed to set up scaling, "
if (paddr == 0 && rotation_type != OMAP_DSS_ROT_TILER)
return -EINVAL;
+ switch (color_mode) {
+ case OMAP_DSS_COLOR_YUV2:
+ case OMAP_DSS_COLOR_UYVY:
+ case OMAP_DSS_COLOR_NV12:
+ if (in_width & 1) {
+ DSSERR("input width %d is not even for YUV format\n",
+ in_width);
+ return -EINVAL;
+ }
+ break;
+
+ default:
+ break;
+ }
+
out_width = out_width == 0 ? width : out_width;
out_height = out_height == 0 ? height : out_height;
in_width = in_width / x_predecim;
in_height = in_height / y_predecim;
+ if (x_predecim > 1 || y_predecim > 1)
+ DSSDBG("predecimation %d x %x, new input size %d x %d\n",
+ x_predecim, y_predecim, in_width, in_height);
+
+ switch (color_mode) {
+ case OMAP_DSS_COLOR_YUV2:
+ case OMAP_DSS_COLOR_UYVY:
+ case OMAP_DSS_COLOR_NV12:
+ if (in_width & 1) {
+ DSSDBG("predecimated input width is not even for YUV format\n");
+ DSSDBG("adjusting input width %d -> %d\n",
+ in_width, in_width & ~1);
+
+ in_width &= ~1;
+ }
+ break;
+
+ default:
+ break;
+ }
+
if (color_mode == OMAP_DSS_COLOR_YUV2 ||
color_mode == OMAP_DSS_COLOR_UYVY ||
color_mode == OMAP_DSS_COLOR_NV12)
dispc_ovl_set_ba1_uv(plane, p_uv_addr + offset1);
}
+ if (dispc.feat->last_pixel_inc_missing)
+ row_inc += pix_inc - 1;
+
dispc_ovl_set_row_inc(plane, row_inc);
dispc_ovl_set_pix_inc(plane, pix_inc);
dispc_init_mflag();
}
-static const struct dispc_features omap24xx_dispc_feats __initconst = {
+static const struct dispc_features omap24xx_dispc_feats = {
.sw_start = 5,
.fp_start = 15,
.bp_start = 27,
.num_fifos = 3,
.no_framedone_tv = true,
.set_max_preload = false,
+ .last_pixel_inc_missing = true,
};
-static const struct dispc_features omap34xx_rev1_0_dispc_feats __initconst = {
+static const struct dispc_features omap34xx_rev1_0_dispc_feats = {
.sw_start = 5,
.fp_start = 15,
.bp_start = 27,
.num_fifos = 3,
.no_framedone_tv = true,
.set_max_preload = false,
+ .last_pixel_inc_missing = true,
};
-static const struct dispc_features omap34xx_rev3_0_dispc_feats __initconst = {
+static const struct dispc_features omap34xx_rev3_0_dispc_feats = {
.sw_start = 7,
.fp_start = 19,
.bp_start = 31,
.num_fifos = 3,
.no_framedone_tv = true,
.set_max_preload = false,
+ .last_pixel_inc_missing = true,
};
-static const struct dispc_features omap44xx_dispc_feats __initconst = {
+static const struct dispc_features omap44xx_dispc_feats = {
.sw_start = 7,
.fp_start = 19,
.bp_start = 31,
.set_max_preload = true,
};
-static const struct dispc_features omap54xx_dispc_feats __initconst = {
+static const struct dispc_features omap54xx_dispc_feats = {
.sw_start = 7,
.fp_start = 19,
.bp_start = 31,
.set_max_preload = true,
};
-static int __init dispc_init_features(struct platform_device *pdev)
+static int dispc_init_features(struct platform_device *pdev)
{
const struct dispc_features *src;
struct dispc_features *dst;
EXPORT_SYMBOL(dispc_free_irq);
/* DISPC HW IP initialisation */
-static int __init omap_dispchw_probe(struct platform_device *pdev)
+static int dispc_bind(struct device *dev, struct device *master, void *data)
{
+ struct platform_device *pdev = to_platform_device(dev);
u32 rev;
int r = 0;
struct resource *dispc_mem;
return r;
}
-static int __exit omap_dispchw_remove(struct platform_device *pdev)
+static void dispc_unbind(struct device *dev, struct device *master,
+ void *data)
{
- pm_runtime_disable(&pdev->dev);
+ pm_runtime_disable(dev);
dss_uninit_overlay_managers();
+}
+
+static const struct component_ops dispc_component_ops = {
+ .bind = dispc_bind,
+ .unbind = dispc_unbind,
+};
+static int dispc_probe(struct platform_device *pdev)
+{
+ return component_add(&pdev->dev, &dispc_component_ops);
+}
+
+static int dispc_remove(struct platform_device *pdev)
+{
+ component_del(&pdev->dev, &dispc_component_ops);
return 0;
}
};
static struct platform_driver omap_dispchw_driver = {
- .remove = __exit_p(omap_dispchw_remove),
+ .probe = dispc_probe,
+ .remove = dispc_remove,
.driver = {
.name = "omapdss_dispc",
.pm = &dispc_pm_ops,
int __init dispc_init_platform_driver(void)
{
- return platform_driver_probe(&omap_dispchw_driver, omap_dispchw_probe);
+ return platform_driver_register(&omap_dispchw_driver);
}
-void __exit dispc_uninit_platform_driver(void)
+void dispc_uninit_platform_driver(void)
{
platform_driver_unregister(&omap_dispchw_driver);
}
Code Review / kvmfornfv.git / blobdiff