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path: root/drivers/gpu/drm/omapdrm/dss/dispc.c
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Diffstat (limited to 'drivers/gpu/drm/omapdrm/dss/dispc.c')
-rw-r--r--drivers/gpu/drm/omapdrm/dss/dispc.c114
1 files changed, 56 insertions, 58 deletions
diff --git a/drivers/gpu/drm/omapdrm/dss/dispc.c b/drivers/gpu/drm/omapdrm/dss/dispc.c
index a5b7488a5cfb..c839f6456db2 100644
--- a/drivers/gpu/drm/omapdrm/dss/dispc.c
+++ b/drivers/gpu/drm/omapdrm/dss/dispc.c
@@ -75,7 +75,7 @@ struct dispc_features {
unsigned long max_lcd_pclk;
unsigned long max_tv_pclk;
int (*calc_scaling) (unsigned long pclk, unsigned long lclk,
- const struct videomode *mgr_timings,
+ const struct videomode *vm,
u16 width, u16 height, u16 out_width, u16 out_height,
enum omap_color_mode color_mode, bool *five_taps,
int *x_predecim, int *y_predecim, int *decim_x, int *decim_y,
@@ -2179,7 +2179,7 @@ static void calc_tiler_rotation_offset(u16 screen_width, u16 width,
* undocumented horizontal position and timing related limitations.
*/
static int check_horiz_timing_omap3(unsigned long pclk, unsigned long lclk,
- const struct videomode *t, u16 pos_x,
+ const struct videomode *vm, u16 pos_x,
u16 width, u16 height, u16 out_width, u16 out_height,
bool five_taps)
{
@@ -2189,15 +2189,15 @@ static int check_horiz_timing_omap3(unsigned long pclk, unsigned long lclk,
u64 val, blank;
int i;
- nonactive = t->hactive + t->hfront_porch + t->hsync_len +
- t->hback_porch - out_width;
+ nonactive = vm->hactive + vm->hfront_porch + vm->hsync_len +
+ vm->hback_porch - out_width;
i = 0;
if (out_height < height)
i++;
if (out_width < width)
i++;
- blank = div_u64((u64)(t->hback_porch + t->hsync_len + t->hfront_porch) *
+ blank = div_u64((u64)(vm->hback_porch + vm->hsync_len + vm->hfront_porch) *
lclk, pclk);
DSSDBG("blanking period + ppl = %llu (limit = %u)\n", blank, limits[i]);
if (blank <= limits[i])
@@ -2233,7 +2233,7 @@ static int check_horiz_timing_omap3(unsigned long pclk, unsigned long lclk,
}
static unsigned long calc_core_clk_five_taps(unsigned long pclk,
- const struct videomode *mgr_timings, u16 width,
+ const struct videomode *vm, u16 width,
u16 height, u16 out_width, u16 out_height,
enum omap_color_mode color_mode)
{
@@ -2244,7 +2244,7 @@ static unsigned long calc_core_clk_five_taps(unsigned long pclk,
return (unsigned long) pclk;
if (height > out_height) {
- unsigned int ppl = mgr_timings->hactive;
+ unsigned int ppl = vm->hactive;
tmp = (u64)pclk * height * out_width;
do_div(tmp, 2 * out_height * ppl);
@@ -2326,7 +2326,7 @@ static unsigned long calc_core_clk_44xx(unsigned long pclk, u16 width,
}
static int dispc_ovl_calc_scaling_24xx(unsigned long pclk, unsigned long lclk,
- const struct videomode *mgr_timings,
+ const struct videomode *vm,
u16 width, u16 height, u16 out_width, u16 out_height,
enum omap_color_mode color_mode, bool *five_taps,
int *x_predecim, int *y_predecim, int *decim_x, int *decim_y,
@@ -2372,7 +2372,7 @@ static int dispc_ovl_calc_scaling_24xx(unsigned long pclk, unsigned long lclk,
}
static int dispc_ovl_calc_scaling_34xx(unsigned long pclk, unsigned long lclk,
- const struct videomode *mgr_timings,
+ const struct videomode *vm,
u16 width, u16 height, u16 out_width, u16 out_height,
enum omap_color_mode color_mode, bool *five_taps,
int *x_predecim, int *y_predecim, int *decim_x, int *decim_y,
@@ -2394,7 +2394,7 @@ static int dispc_ovl_calc_scaling_34xx(unsigned long pclk, unsigned long lclk,
*five_taps = false;
again:
if (*five_taps)
- *core_clk = calc_core_clk_five_taps(pclk, mgr_timings,
+ *core_clk = calc_core_clk_five_taps(pclk, vm,
in_width, in_height, out_width,
out_height, color_mode);
else
@@ -2402,7 +2402,7 @@ again:
in_height, out_width, out_height,
mem_to_mem);
- error = check_horiz_timing_omap3(pclk, lclk, mgr_timings,
+ error = check_horiz_timing_omap3(pclk, lclk, vm,
pos_x, in_width, in_height, out_width,
out_height, *five_taps);
if (error && *five_taps) {
@@ -2437,7 +2437,7 @@ again:
return -EINVAL;
}
- if (check_horiz_timing_omap3(pclk, lclk, mgr_timings, pos_x, in_width,
+ if (check_horiz_timing_omap3(pclk, lclk, vm, pos_x, in_width,
in_height, out_width, out_height, *five_taps)) {
DSSERR("horizontal timing too tight\n");
return -EINVAL;
@@ -2457,7 +2457,7 @@ again:
}
static int dispc_ovl_calc_scaling_44xx(unsigned long pclk, unsigned long lclk,
- const struct videomode *mgr_timings,
+ const struct videomode *vm,
u16 width, u16 height, u16 out_width, u16 out_height,
enum omap_color_mode color_mode, bool *five_taps,
int *x_predecim, int *y_predecim, int *decim_x, int *decim_y,
@@ -2503,7 +2503,7 @@ static int dispc_ovl_calc_scaling_44xx(unsigned long pclk, unsigned long lclk,
static int dispc_ovl_calc_scaling(unsigned long pclk, unsigned long lclk,
enum omap_overlay_caps caps,
- const struct videomode *mgr_timings,
+ const struct videomode *vm,
u16 width, u16 height, u16 out_width, u16 out_height,
enum omap_color_mode color_mode, bool *five_taps,
int *x_predecim, int *y_predecim, u16 pos_x,
@@ -2517,7 +2517,7 @@ static int dispc_ovl_calc_scaling(unsigned long pclk, unsigned long lclk,
if (width == out_width && height == out_height)
return 0;
- if (!mem_to_mem && (pclk == 0 || mgr_timings->pixelclock == 0)) {
+ if (!mem_to_mem && (pclk == 0 || vm->pixelclock == 0)) {
DSSERR("cannot calculate scaling settings: pclk is zero\n");
return -EINVAL;
}
@@ -2553,7 +2553,7 @@ static int dispc_ovl_calc_scaling(unsigned long pclk, unsigned long lclk,
if (decim_y > *y_predecim || out_height > height * 8)
return -EINVAL;
- ret = dispc.feat->calc_scaling(pclk, lclk, mgr_timings, width, height,
+ ret = dispc.feat->calc_scaling(pclk, lclk, vm, width, height,
out_width, out_height, color_mode, five_taps,
x_predecim, y_predecim, &decim_x, &decim_y, pos_x, &core_clk,
mem_to_mem);
@@ -2593,7 +2593,7 @@ static int dispc_ovl_setup_common(enum omap_plane plane,
u16 out_width, u16 out_height, enum omap_color_mode color_mode,
u8 rotation, bool mirror, u8 zorder, u8 pre_mult_alpha,
u8 global_alpha, enum omap_dss_rotation_type rotation_type,
- bool replication, const struct videomode *mgr_timings,
+ bool replication, const struct videomode *vm,
bool mem_to_mem)
{
bool five_taps = true;
@@ -2607,7 +2607,7 @@ static int dispc_ovl_setup_common(enum omap_plane plane,
u16 in_height = height;
u16 in_width = width;
int x_predecim = 1, y_predecim = 1;
- bool ilace = !!(mgr_timings->flags & DISPLAY_FLAGS_INTERLACED);
+ bool ilace = !!(vm->flags & DISPLAY_FLAGS_INTERLACED);
unsigned long pclk = dispc_plane_pclk_rate(plane);
unsigned long lclk = dispc_plane_lclk_rate(plane);
@@ -2649,7 +2649,7 @@ static int dispc_ovl_setup_common(enum omap_plane plane,
if (!dss_feat_color_mode_supported(plane, color_mode))
return -EINVAL;
- r = dispc_ovl_calc_scaling(pclk, lclk, caps, mgr_timings, in_width,
+ r = dispc_ovl_calc_scaling(pclk, lclk, caps, vm, in_width,
in_height, out_width, out_height, color_mode,
&five_taps, &x_predecim, &y_predecim, pos_x,
rotation_type, mem_to_mem);
@@ -2786,7 +2786,7 @@ static int dispc_ovl_setup_common(enum omap_plane plane,
}
int dispc_ovl_setup(enum omap_plane plane, const struct omap_overlay_info *oi,
- bool replication, const struct videomode *mgr_timings,
+ bool replication, const struct videomode *vm,
bool mem_to_mem)
{
int r;
@@ -2805,14 +2805,14 @@ int dispc_ovl_setup(enum omap_plane plane, const struct omap_overlay_info *oi,
oi->screen_width, oi->pos_x, oi->pos_y, oi->width, oi->height,
oi->out_width, oi->out_height, oi->color_mode, oi->rotation,
oi->mirror, oi->zorder, oi->pre_mult_alpha, oi->global_alpha,
- oi->rotation_type, replication, mgr_timings, mem_to_mem);
+ oi->rotation_type, replication, vm, mem_to_mem);
return r;
}
EXPORT_SYMBOL(dispc_ovl_setup);
int dispc_wb_setup(const struct omap_dss_writeback_info *wi,
- bool mem_to_mem, const struct videomode *mgr_timings)
+ bool mem_to_mem, const struct videomode *vm)
{
int r;
u32 l;
@@ -2821,8 +2821,8 @@ int dispc_wb_setup(const struct omap_dss_writeback_info *wi,
const u8 zorder = 0, global_alpha = 0;
const bool replication = false;
bool truncation;
- int in_width = mgr_timings->hactive;
- int in_height = mgr_timings->vactive;
+ int in_width = vm->hactive;
+ int in_height = vm->vactive;
enum omap_overlay_caps caps =
OMAP_DSS_OVL_CAP_SCALE | OMAP_DSS_OVL_CAP_PRE_MULT_ALPHA;
@@ -2835,7 +2835,7 @@ int dispc_wb_setup(const struct omap_dss_writeback_info *wi,
wi->buf_width, pos_x, pos_y, in_width, in_height, wi->width,
wi->height, wi->color_mode, wi->rotation, wi->mirror, zorder,
wi->pre_mult_alpha, global_alpha, wi->rotation_type,
- replication, mgr_timings, mem_to_mem);
+ replication, vm, mem_to_mem);
switch (wi->color_mode) {
case OMAP_DSS_COLOR_RGB16:
@@ -2869,9 +2869,8 @@ int dispc_wb_setup(const struct omap_dss_writeback_info *wi,
} else {
int wbdelay;
- wbdelay = min(mgr_timings->vfront_porch +
- mgr_timings->vsync_len + mgr_timings->vback_porch,
- (u32)255);
+ wbdelay = min(vm->vfront_porch +
+ vm->vsync_len + vm->vback_porch, (u32)255);
/* WBDELAYCOUNT */
REG_FLD_MOD(DISPC_OVL_ATTRIBUTES2(plane), wbdelay, 7, 0);
@@ -3118,24 +3117,23 @@ static bool _dispc_mgr_pclk_ok(enum omap_channel channel,
return pclk <= dispc.feat->max_tv_pclk;
}
-bool dispc_mgr_timings_ok(enum omap_channel channel,
- const struct videomode *timings)
+bool dispc_mgr_timings_ok(enum omap_channel channel, const struct videomode *vm)
{
- if (!_dispc_mgr_size_ok(timings->hactive, timings->vactive))
+ if (!_dispc_mgr_size_ok(vm->hactive, vm->vactive))
return false;
- if (!_dispc_mgr_pclk_ok(channel, timings->pixelclock))
+ if (!_dispc_mgr_pclk_ok(channel, vm->pixelclock))
return false;
if (dss_mgr_is_lcd(channel)) {
/* TODO: OMAP4+ supports interlace for LCD outputs */
- if (timings->flags & DISPLAY_FLAGS_INTERLACED)
+ if (vm->flags & DISPLAY_FLAGS_INTERLACED)
return false;
- if (!_dispc_lcd_timings_ok(timings->hsync_len,
- timings->hfront_porch, timings->hback_porch,
- timings->vsync_len, timings->vfront_porch,
- timings->vback_porch))
+ if (!_dispc_lcd_timings_ok(vm->hsync_len,
+ vm->hfront_porch, vm->hback_porch,
+ vm->vsync_len, vm->vfront_porch,
+ vm->vback_porch))
return false;
}
@@ -3143,37 +3141,37 @@ bool dispc_mgr_timings_ok(enum omap_channel channel,
}
static void _dispc_mgr_set_lcd_timings(enum omap_channel channel,
- const struct videomode *ovt)
+ const struct videomode *vm)
{
u32 timing_h, timing_v, l;
bool onoff, rf, ipc, vs, hs, de;
- timing_h = FLD_VAL(ovt->hsync_len - 1, dispc.feat->sw_start, 0) |
- FLD_VAL(ovt->hfront_porch - 1, dispc.feat->fp_start, 8) |
- FLD_VAL(ovt->hback_porch - 1, dispc.feat->bp_start, 20);
- timing_v = FLD_VAL(ovt->vsync_len - 1, dispc.feat->sw_start, 0) |
- FLD_VAL(ovt->vfront_porch, dispc.feat->fp_start, 8) |
- FLD_VAL(ovt->vback_porch, dispc.feat->bp_start, 20);
+ timing_h = FLD_VAL(vm->hsync_len - 1, dispc.feat->sw_start, 0) |
+ FLD_VAL(vm->hfront_porch - 1, dispc.feat->fp_start, 8) |
+ FLD_VAL(vm->hback_porch - 1, dispc.feat->bp_start, 20);
+ timing_v = FLD_VAL(vm->vsync_len - 1, dispc.feat->sw_start, 0) |
+ FLD_VAL(vm->vfront_porch, dispc.feat->fp_start, 8) |
+ FLD_VAL(vm->vback_porch, dispc.feat->bp_start, 20);
dispc_write_reg(DISPC_TIMING_H(channel), timing_h);
dispc_write_reg(DISPC_TIMING_V(channel), timing_v);
- if (ovt->flags & DISPLAY_FLAGS_VSYNC_HIGH)
+ if (vm->flags & DISPLAY_FLAGS_VSYNC_HIGH)
vs = false;
else
vs = true;
- if (ovt->flags & DISPLAY_FLAGS_HSYNC_HIGH)
+ if (vm->flags & DISPLAY_FLAGS_HSYNC_HIGH)
hs = false;
else
hs = true;
- if (ovt->flags & DISPLAY_FLAGS_DE_HIGH)
+ if (vm->flags & DISPLAY_FLAGS_DE_HIGH)
de = false;
else
de = true;
- if (ovt->flags & DISPLAY_FLAGS_PIXDATA_POSEDGE)
+ if (vm->flags & DISPLAY_FLAGS_PIXDATA_POSEDGE)
ipc = false;
else
ipc = true;
@@ -3181,7 +3179,7 @@ static void _dispc_mgr_set_lcd_timings(enum omap_channel channel,
/* always use the 'rf' setting */
onoff = true;
- if (ovt->flags & DISPLAY_FLAGS_SYNC_POSEDGE)
+ if (vm->flags & DISPLAY_FLAGS_SYNC_POSEDGE)
rf = true;
else
rf = false;
@@ -3221,11 +3219,11 @@ static void _dispc_mgr_set_lcd_timings(enum omap_channel channel,
/* change name to mode? */
void dispc_mgr_set_timings(enum omap_channel channel,
- const struct videomode *timings)
+ const struct videomode *vm)
{
unsigned xtot, ytot;
unsigned long ht, vt;
- struct videomode t = *timings;
+ struct videomode t = *vm;
DSSDBG("channel %d xres %u yres %u\n", channel, t.hactive, t.vactive);
@@ -3240,10 +3238,10 @@ void dispc_mgr_set_timings(enum omap_channel channel,
xtot = t.hactive + t.hfront_porch + t.hsync_len + t.hback_porch;
ytot = t.vactive + t.vfront_porch + t.vsync_len + t.vback_porch;
- ht = timings->pixelclock / xtot;
- vt = timings->pixelclock / xtot / ytot;
+ ht = vm->pixelclock / xtot;
+ vt = vm->pixelclock / xtot / ytot;
- DSSDBG("pck %lu\n", timings->pixelclock);
+ DSSDBG("pck %lu\n", vm->pixelclock);
DSSDBG("hsync_len %d hfp %d hbp %d vsw %d vfp %d vbp %d\n",
t.hsync_len, t.hfront_porch, t.hback_porch,
t.vsync_len, t.vfront_porch, t.vback_porch);
@@ -4185,12 +4183,12 @@ EXPORT_SYMBOL(dispc_free_irq);
*/
static const struct dispc_errata_i734_data {
- struct videomode timings;
+ struct videomode vm;
struct omap_overlay_info ovli;
struct omap_overlay_manager_info mgri;
struct dss_lcd_mgr_config lcd_conf;
} i734 = {
- .timings = {
+ .vm = {
.hactive = 8, .vactive = 1,
.pixelclock = 16000000,
.hsync_len = 8, .hfront_porch = 4, .hback_porch = 4,
@@ -4288,7 +4286,7 @@ static void dispc_errata_i734_wa(void)
/* Setup and enable GFX plane */
dispc_ovl_set_channel_out(OMAP_DSS_GFX, OMAP_DSS_CHANNEL_LCD);
- dispc_ovl_setup(OMAP_DSS_GFX, &ovli, false, &i734.timings, false);
+ dispc_ovl_setup(OMAP_DSS_GFX, &ovli, false, &i734.vm, false);
dispc_ovl_enable(OMAP_DSS_GFX, true);
/* Set up and enable display manager for LCD1 */
@@ -4296,7 +4294,7 @@ static void dispc_errata_i734_wa(void)
dispc_calc_clock_rates(dss_get_dispc_clk_rate(),
&lcd_conf.clock_info);
dispc_mgr_set_lcd_config(OMAP_DSS_CHANNEL_LCD, &lcd_conf);
- dispc_mgr_set_timings(OMAP_DSS_CHANNEL_LCD, &i734.timings);
+ dispc_mgr_set_timings(OMAP_DSS_CHANNEL_LCD, &i734.vm);
dispc_clear_irqstatus(framedone_irq);
generated by cgit (git 2.34.1) at 2024-06-26 10:15:08 +0000