drm/exynos/fimc: remove unused camera interface polarization code

Polarization was never configured for DRM-FIMC device, so fimc_set_polarity
function did nothing. In fact DRM does not use camera interface so there
is no point in configuring it.

Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>

diff --git a/drivers/gpu/drm/exynos/exynos_drm_fimc.c b/drivers/gpu/drm/exynos/exynos_drm_fimc.c
index 8a4f4a0211d0dd57001f2605a4815dae06686b9f..0525c56145db194c81297b6669e31d6e62aa61f3 100644 (file)
--- a/drivers/gpu/drm/exynos/exynos_drm_fimc.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_fimc.c
@@ -163,7 +163,6 @@ struct fimc_context {
        u32             clk_frequency;
        struct regmap   *sysreg;
        struct fimc_scaler      sc;
-       struct exynos_drm_ipp_pol       pol;
        int     id;
        int     irq;
        bool    suspended;
@@ -260,32 +259,6 @@ static void fimc_set_type_ctrl(struct fimc_context *ctx, enum fimc_wb wb)
        fimc_write(ctx, cfg, EXYNOS_CIGCTRL);
 }
 
-static void fimc_set_polarity(struct fimc_context *ctx,
-               struct exynos_drm_ipp_pol *pol)
-{
-       u32 cfg;
-
-       DRM_DEBUG_KMS("inv_pclk[%d]inv_vsync[%d]\n",
-               pol->inv_pclk, pol->inv_vsync);
-       DRM_DEBUG_KMS("inv_href[%d]inv_hsync[%d]\n",
-               pol->inv_href, pol->inv_hsync);
-
-       cfg = fimc_read(ctx, EXYNOS_CIGCTRL);
-       cfg &= ~(EXYNOS_CIGCTRL_INVPOLPCLK | EXYNOS_CIGCTRL_INVPOLVSYNC |
-                EXYNOS_CIGCTRL_INVPOLHREF | EXYNOS_CIGCTRL_INVPOLHSYNC);
-
-       if (pol->inv_pclk)
-               cfg |= EXYNOS_CIGCTRL_INVPOLPCLK;
-       if (pol->inv_vsync)
-               cfg |= EXYNOS_CIGCTRL_INVPOLVSYNC;
-       if (pol->inv_href)
-               cfg |= EXYNOS_CIGCTRL_INVPOLHREF;
-       if (pol->inv_hsync)
-               cfg |= EXYNOS_CIGCTRL_INVPOLHSYNC;
-
-       fimc_write(ctx, cfg, EXYNOS_CIGCTRL);
-}
-
 static void fimc_handle_jpeg(struct fimc_context *ctx, bool enable)
 {
        u32 cfg;
@@ -1467,7 +1440,6 @@ static int fimc_ippdrv_start(struct device *dev, enum drm_exynos_ipp_cmd cmd)
        /* If set ture, we can save jpeg about screen */
        fimc_handle_jpeg(ctx, false);
        fimc_set_scaler(ctx, &ctx->sc);
-       fimc_set_polarity(ctx, &ctx->pol);
 
        switch (cmd) {
        case IPP_CMD_M2M: