diff options
| -rw-r--r-- | drivers/gpu/drm/msm/dsi/dsi.h | 2 | ||||
| -rw-r--r-- | drivers/gpu/drm/msm/dsi/dsi_host.c | 21 |
2 files changed, 16 insertions, 7 deletions
diff --git a/drivers/gpu/drm/msm/dsi/dsi.h b/drivers/gpu/drm/msm/dsi/dsi.h index 2a96b4fe7839..1a551cc0e889 100644 --- a/drivers/gpu/drm/msm/dsi/dsi.h +++ b/drivers/gpu/drm/msm/dsi/dsi.h @@ -118,6 +118,8 @@ int dsi_link_clk_enable_6g(struct msm_dsi_host *msm_host); int dsi_link_clk_enable_v2(struct msm_dsi_host *msm_host); void dsi_link_clk_disable_6g(struct msm_dsi_host *msm_host); void dsi_link_clk_disable_v2(struct msm_dsi_host *msm_host); +unsigned long dsi_byte_clk_get_rate(struct mipi_dsi_host *host, bool is_bonded_dsi, + const struct drm_display_mode *mode); int dsi_tx_buf_alloc_6g(struct msm_dsi_host *msm_host, int size); int dsi_tx_buf_alloc_v2(struct msm_dsi_host *msm_host, int size); void *dsi_tx_buf_get_6g(struct msm_dsi_host *msm_host); diff --git a/drivers/gpu/drm/msm/dsi/dsi_host.c b/drivers/gpu/drm/msm/dsi/dsi_host.c index 6191d96a92ef..c8823e4115ea 100644 --- a/drivers/gpu/drm/msm/dsi/dsi_host.c +++ b/drivers/gpu/drm/msm/dsi/dsi_host.c @@ -570,9 +570,8 @@ void dsi_link_clk_disable_v2(struct msm_dsi_host *msm_host) clk_disable_unprepare(msm_host->byte_clk); } -static unsigned long dsi_get_pclk_rate(struct msm_dsi_host *msm_host, bool is_bonded_dsi) +static unsigned long dsi_get_pclk_rate(const struct drm_display_mode *mode, bool is_bonded_dsi) { - struct drm_display_mode *mode = msm_host->mode; unsigned long pclk_rate; pclk_rate = mode->clock * 1000; @@ -589,11 +588,13 @@ static unsigned long dsi_get_pclk_rate(struct msm_dsi_host *msm_host, bool is_bo return pclk_rate; } -static void dsi_calc_pclk(struct msm_dsi_host *msm_host, bool is_bonded_dsi) +unsigned long dsi_byte_clk_get_rate(struct mipi_dsi_host *host, bool is_bonded_dsi, + const struct drm_display_mode *mode) { + struct msm_dsi_host *msm_host = to_msm_dsi_host(host); u8 lanes = msm_host->lanes; u32 bpp = dsi_get_bpp(msm_host->format); - unsigned long pclk_rate = dsi_get_pclk_rate(msm_host, is_bonded_dsi); + unsigned long pclk_rate = dsi_get_pclk_rate(mode, is_bonded_dsi); u64 pclk_bpp = (u64)pclk_rate * bpp; if (lanes == 0) { @@ -607,8 +608,14 @@ static void dsi_calc_pclk(struct msm_dsi_host *msm_host, bool is_bonded_dsi) else do_div(pclk_bpp, (8 * lanes)); - msm_host->pixel_clk_rate = pclk_rate; - msm_host->byte_clk_rate = pclk_bpp; + return pclk_bpp; +} + +static void dsi_calc_pclk(struct msm_dsi_host *msm_host, bool is_bonded_dsi) +{ + msm_host->pixel_clk_rate = dsi_get_pclk_rate(msm_host->mode, is_bonded_dsi); + msm_host->byte_clk_rate = dsi_byte_clk_get_rate(&msm_host->base, is_bonded_dsi, + msm_host->mode); DBG("pclk=%lu, bclk=%lu", msm_host->pixel_clk_rate, msm_host->byte_clk_rate); @@ -636,7 +643,7 @@ int dsi_calc_clk_rate_v2(struct msm_dsi_host *msm_host, bool is_bonded_dsi) dsi_calc_pclk(msm_host, is_bonded_dsi); - pclk_bpp = (u64)dsi_get_pclk_rate(msm_host, is_bonded_dsi) * bpp; + pclk_bpp = (u64)dsi_get_pclk_rate(msm_host->mode, is_bonded_dsi) * bpp; do_div(pclk_bpp, 8); msm_host->src_clk_rate = pclk_bpp; |