diff options
Diffstat (limited to 'drivers/video/omap2')
| -rw-r--r-- | drivers/video/omap2/dss/dispc.c | 31 |
1 files changed, 12 insertions, 19 deletions
diff --git a/drivers/video/omap2/dss/dispc.c b/drivers/video/omap2/dss/dispc.c index fff26fd..1704077 100644 --- a/drivers/video/omap2/dss/dispc.c +++ b/drivers/video/omap2/dss/dispc.c @@ -97,7 +97,7 @@ struct dispc_features { enum omap_color_mode color_mode, bool *five_taps, int *x_predecim, int *y_predecim, int *decim_x, int *decim_y, u16 pos_x, unsigned long *core_clk, bool mem_to_mem); - unsigned long (*calc_core_clk) (enum omap_plane plane, + unsigned long (*calc_core_clk) (unsigned long pclk, u16 width, u16 height, u16 out_width, u16 out_height, bool mem_to_mem); u8 num_fifos; @@ -2044,14 +2044,13 @@ static int check_horiz_timing_omap3(enum omap_plane plane, return 0; } -static unsigned long calc_core_clk_five_taps(enum omap_plane plane, +static unsigned long calc_core_clk_five_taps(unsigned long pclk, const struct omap_video_timings *mgr_timings, u16 width, u16 height, u16 out_width, u16 out_height, enum omap_color_mode color_mode) { u32 core_clk = 0; u64 tmp; - unsigned long pclk = dispc_plane_pclk_rate(plane); if (height <= out_height && width <= out_width) return (unsigned long) pclk; @@ -2085,22 +2084,19 @@ static unsigned long calc_core_clk_five_taps(enum omap_plane plane, return core_clk; } -static unsigned long calc_core_clk_24xx(enum omap_plane plane, u16 width, +static unsigned long calc_core_clk_24xx(unsigned long pclk, u16 width, u16 height, u16 out_width, u16 out_height, bool mem_to_mem) { - unsigned long pclk = dispc_plane_pclk_rate(plane); - if (height > out_height && width > out_width) return pclk * 4; else return pclk * 2; } -static unsigned long calc_core_clk_34xx(enum omap_plane plane, u16 width, +static unsigned long calc_core_clk_34xx(unsigned long pclk, u16 width, u16 height, u16 out_width, u16 out_height, bool mem_to_mem) { unsigned int hf, vf; - unsigned long pclk = dispc_plane_pclk_rate(plane); /* * FIXME how to determine the 'A' factor @@ -2123,11 +2119,9 @@ static unsigned long calc_core_clk_34xx(enum omap_plane plane, u16 width, return pclk * vf * hf; } -static unsigned long calc_core_clk_44xx(enum omap_plane plane, u16 width, +static unsigned long calc_core_clk_44xx(unsigned long pclk, u16 width, u16 height, u16 out_width, u16 out_height, bool mem_to_mem) { - unsigned long pclk; - /* * If the overlay/writeback is in mem to mem mode, there are no * downscaling limitations with respect to pixel clock, return 1 as @@ -2137,8 +2131,6 @@ static unsigned long calc_core_clk_44xx(enum omap_plane plane, u16 width, if (mem_to_mem) return 1; - pclk = dispc_plane_pclk_rate(plane); - if (width > out_width) return DIV_ROUND_UP(pclk, out_width) * width; else @@ -2157,13 +2149,14 @@ static int dispc_ovl_calc_scaling_24xx(enum omap_plane plane, int min_factor = min(*decim_x, *decim_y); const int maxsinglelinewidth = dss_feat_get_param_max(FEAT_PARAM_LINEWIDTH); + unsigned long pclk = dispc_plane_pclk_rate(plane); *five_taps = false; do { in_height = DIV_ROUND_UP(height, *decim_y); in_width = DIV_ROUND_UP(width, *decim_x); - *core_clk = dispc.feat->calc_core_clk(plane, in_width, + *core_clk = dispc.feat->calc_core_clk(pclk, in_width, in_height, out_width, out_height, mem_to_mem); error = (in_width > maxsinglelinewidth || !*core_clk || *core_clk > dispc_core_clk_rate()); @@ -2198,11 +2191,12 @@ static int dispc_ovl_calc_scaling_34xx(enum omap_plane plane, int min_factor = min(*decim_x, *decim_y); const int maxsinglelinewidth = dss_feat_get_param_max(FEAT_PARAM_LINEWIDTH); + unsigned long pclk = dispc_plane_pclk_rate(plane); do { in_height = DIV_ROUND_UP(height, *decim_y); in_width = DIV_ROUND_UP(width, *decim_x); - *core_clk = calc_core_clk_five_taps(plane, mgr_timings, + *core_clk = calc_core_clk_five_taps(pclk, mgr_timings, in_width, in_height, out_width, out_height, color_mode); error = check_horiz_timing_omap3(plane, mgr_timings, @@ -2214,7 +2208,7 @@ static int dispc_ovl_calc_scaling_34xx(enum omap_plane plane, in_height < out_height * 2) *five_taps = false; if (!*five_taps) - *core_clk = dispc.feat->calc_core_clk(plane, in_width, + *core_clk = dispc.feat->calc_core_clk(pclk, in_width, in_height, out_width, out_height, mem_to_mem); @@ -2265,12 +2259,11 @@ static int dispc_ovl_calc_scaling_44xx(enum omap_plane plane, const int maxsinglelinewidth = dss_feat_get_param_max(FEAT_PARAM_LINEWIDTH); const int maxdownscale = dss_feat_get_param_max(FEAT_PARAM_DOWNSCALE); + unsigned long pclk = dispc_plane_pclk_rate(plane); if (mem_to_mem) { in_width_max = out_width * maxdownscale; } else { - unsigned long pclk = dispc_plane_pclk_rate(plane); - in_width_max = dispc_core_clk_rate() / DIV_ROUND_UP(pclk, out_width); } @@ -2291,7 +2284,7 @@ static int dispc_ovl_calc_scaling_44xx(enum omap_plane plane, return -EINVAL; } - *core_clk = dispc.feat->calc_core_clk(plane, in_width, in_height, + *core_clk = dispc.feat->calc_core_clk(pclk, in_width, in_height, out_width, out_height, mem_to_mem); return 0; } |
