diff options
Diffstat (limited to 'drivers/gpu/drm/hisilicon/kirin/dw_drm_dsi.c')
| -rw-r--r-- | drivers/gpu/drm/hisilicon/kirin/dw_drm_dsi.c | 19 |
1 files changed, 7 insertions, 12 deletions
diff --git a/drivers/gpu/drm/hisilicon/kirin/dw_drm_dsi.c b/drivers/gpu/drm/hisilicon/kirin/dw_drm_dsi.c index d9978b79828c..e80debdc4176 100644 --- a/drivers/gpu/drm/hisilicon/kirin/dw_drm_dsi.c +++ b/drivers/gpu/drm/hisilicon/kirin/dw_drm_dsi.c @@ -157,8 +157,8 @@ static u32 dsi_calc_phy_rate(u32 req_kHz, struct mipi_phy_params *phy) q_pll = 0x10 >> (7 - phy->hstx_ckg_sel); temp = f_kHz * (u64)q_pll * (u64)ref_clk_ps; - m_n_int = temp / (u64)1000000000; - m_n = (temp % (u64)1000000000) / (u64)100000000; + m_n_int = div64_u64_rem(temp, 1000000000, &temp); + m_n = div_u64(temp, 100000000); if (m_n_int % 2 == 0) { if (m_n * 6 >= 50) { @@ -229,9 +229,8 @@ static u32 dsi_calc_phy_rate(u32 req_kHz, struct mipi_phy_params *phy) phy->pll_fbd_div5f = 1; } - f_kHz = (u64)1000000000 * (u64)m_pll / - ((u64)ref_clk_ps * (u64)n_pll * (u64)q_pll); - + f_kHz = div64_u64((u64)1000000000 * (u64)m_pll, + (u64)ref_clk_ps * (u64)n_pll * (u64)q_pll); if (f_kHz >= req_kHz) break; @@ -490,7 +489,7 @@ static void dsi_set_mode_timing(void __iomem *base, hsa_time = (hsw * lane_byte_clk_kHz) / pixel_clk_kHz; hbp_time = (hbp * lane_byte_clk_kHz) / pixel_clk_kHz; tmp = (u64)htot * (u64)lane_byte_clk_kHz; - hline_time = DIV_ROUND_UP(tmp, pixel_clk_kHz); + hline_time = DIV_ROUND_UP_ULL(tmp, pixel_clk_kHz); /* all specified in byte-lane clocks */ writel(hsa_time, base + VID_HSA_TIME); @@ -826,7 +825,6 @@ static const struct component_ops dsi_ops = { static int dsi_parse_dt(struct platform_device *pdev, struct dw_dsi *dsi) { struct dsi_hw_ctx *ctx = dsi->ctx; - struct resource *res; ctx->pclk = devm_clk_get(&pdev->dev, "pclk"); if (IS_ERR(ctx->pclk)) { @@ -834,8 +832,7 @@ static int dsi_parse_dt(struct platform_device *pdev, struct dw_dsi *dsi) return PTR_ERR(ctx->pclk); } - res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - ctx->base = devm_ioremap_resource(&pdev->dev, res); + ctx->base = devm_platform_ioremap_resource(pdev, 0); if (IS_ERR(ctx->base)) { DRM_ERROR("failed to remap dsi io region\n"); return PTR_ERR(ctx->base); @@ -874,14 +871,12 @@ static int dsi_probe(struct platform_device *pdev) return 0; } -static int dsi_remove(struct platform_device *pdev) +static void dsi_remove(struct platform_device *pdev) { struct dsi_data *data = platform_get_drvdata(pdev); struct dw_dsi *dsi = &data->dsi; mipi_dsi_host_unregister(&dsi->host); - - return 0; } static const struct of_device_id dsi_of_match[] = { |