diff options
Diffstat (limited to 'drivers/gpu/drm/exynos/exynos_drm_fimd.c')
| -rw-r--r-- | drivers/gpu/drm/exynos/exynos_drm_fimd.c | 34 |
1 files changed, 31 insertions, 3 deletions
diff --git a/drivers/gpu/drm/exynos/exynos_drm_fimd.c b/drivers/gpu/drm/exynos/exynos_drm_fimd.c index 70194d0e4fe4..51d484ae9f49 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_fimd.c +++ b/drivers/gpu/drm/exynos/exynos_drm_fimd.c @@ -94,12 +94,14 @@ struct fimd_driver_data { unsigned int lcdblk_offset; unsigned int lcdblk_vt_shift; unsigned int lcdblk_bypass_shift; + unsigned int lcdblk_mic_bypass_shift; unsigned int has_shadowcon:1; unsigned int has_clksel:1; unsigned int has_limited_fmt:1; unsigned int has_vidoutcon:1; unsigned int has_vtsel:1; + unsigned int has_mic_bypass:1; }; static struct fimd_driver_data s3c64xx_fimd_driver_data = { @@ -145,6 +147,18 @@ static struct fimd_driver_data exynos5_fimd_driver_data = { .has_vtsel = 1, }; +static struct fimd_driver_data exynos5420_fimd_driver_data = { + .timing_base = 0x20000, + .lcdblk_offset = 0x214, + .lcdblk_vt_shift = 24, + .lcdblk_bypass_shift = 15, + .lcdblk_mic_bypass_shift = 11, + .has_shadowcon = 1, + .has_vidoutcon = 1, + .has_vtsel = 1, + .has_mic_bypass = 1, +}; + struct fimd_context { struct device *dev; struct drm_device *drm_dev; @@ -168,7 +182,6 @@ struct fimd_context { atomic_t win_updated; atomic_t triggering; - struct exynos_drm_panel_info panel; struct fimd_driver_data *driver_data; struct drm_encoder *encoder; }; @@ -184,6 +197,8 @@ static const struct of_device_id fimd_driver_dt_match[] = { .data = &exynos4415_fimd_driver_data }, { .compatible = "samsung,exynos5250-fimd", .data = &exynos5_fimd_driver_data }, + { .compatible = "samsung,exynos5420-fimd", + .data = &exynos5420_fimd_driver_data }, {}, }; MODULE_DEVICE_TABLE(of, fimd_driver_dt_match); @@ -380,7 +395,7 @@ static u32 fimd_calc_clkdiv(struct fimd_context *ctx, } /* Find the clock divider value that gets us closest to ideal_clk */ - clkdiv = DIV_ROUND_UP(clk_get_rate(ctx->lcd_clk), ideal_clk); + clkdiv = DIV_ROUND_CLOSEST(clk_get_rate(ctx->lcd_clk), ideal_clk); return (clkdiv < 0x100) ? clkdiv : 0xff; } @@ -461,6 +476,18 @@ static void fimd_commit(struct exynos_drm_crtc *crtc) return; } + /* TODO: When MIC is enabled for display path, the lcdblk_mic_bypass + * bit should be cleared. + */ + if (driver_data->has_mic_bypass && ctx->sysreg && + regmap_update_bits(ctx->sysreg, + driver_data->lcdblk_offset, + 0x1 << driver_data->lcdblk_mic_bypass_shift, + 0x1 << driver_data->lcdblk_mic_bypass_shift)) { + DRM_ERROR("Failed to update sysreg for bypass mic.\n"); + return; + } + /* setup horizontal and vertical display size. */ val = VIDTCON2_LINEVAL(mode->vdisplay - 1) | VIDTCON2_HOZVAL(mode->hdisplay - 1) | @@ -861,7 +888,8 @@ static void fimd_dp_clock_enable(struct exynos_drm_crtc *crtc, bool enable) * clock. On these SoCs the bootloader may enable it but any * power domain off/on will reset it to disable state. */ - if (ctx->driver_data != &exynos5_fimd_driver_data) + if (ctx->driver_data != &exynos5_fimd_driver_data || + ctx->driver_data != &exynos5420_fimd_driver_data) return; val = enable ? DP_MIE_CLK_DP_ENABLE : DP_MIE_CLK_DISABLE; |