From 2e8788a9e0d40be8ced03f481e610bdc64f77585 Mon Sep 17 00:00:00 2001
From: Jagan Teki <jagan@amarulasolutions.com>
Date: Mon, 22 Nov 2021 12:36:33 +0530
Subject: drm: exynos: dsi: Add mode_set function
Git-commit: aee039e66035b66f0c587cc1b0dd32fb04c9a892
Patch-mainline: v5.18-rc1
References: jsc#PED-1166 jsc#PED-1168 jsc#PED-1170 jsc#PED-1218 jsc#PED-1220 jsc#PED-1222 jsc#PED-1223 jsc#PED-1225
Get the display mode settings via mode_set bridge function
instead of explicitly de-reference.
Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
Signed-off-by: Robert Foss <robert.foss@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20211122070633.89219-3-jagan@amarulasolutions.com
Acked-by: Patrik Jakobsson <pjakobsson@suse.de>
---
drivers/gpu/drm/exynos/exynos_drm_dsi.c | 13 ++++++++++++-
1 file changed, 12 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/exynos/exynos_drm_dsi.c b/drivers/gpu/drm/exynos/exynos_drm_dsi.c
index e937d94e56e9..338be06a4c4f 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_dsi.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_dsi.c
@@ -259,6 +259,7 @@ struct exynos_dsi {
struct drm_bridge bridge;
struct drm_bridge *out_bridge;
struct device *dev;
+ struct drm_display_mode mode;
void __iomem *reg_base;
struct phy *phy;
@@ -882,7 +883,7 @@ static int exynos_dsi_init_link(struct exynos_dsi *dsi)
static void exynos_dsi_set_display_mode(struct exynos_dsi *dsi)
{
- struct drm_display_mode *m = &dsi->encoder.crtc->state->adjusted_mode;
+ struct drm_display_mode *m = &dsi->mode;
unsigned int num_bits_resol = dsi->driver_data->num_bits_resol;
u32 reg;
@@ -1516,6 +1517,15 @@ static int exynos_dsi_create_connector(struct exynos_dsi *dsi)
return 0;
}
+static void exynos_dsi_mode_set(struct drm_bridge *bridge,
+ const struct drm_display_mode *mode,
+ const struct drm_display_mode *adjusted_mode)
+{
+ struct exynos_dsi *dsi = bridge_to_dsi(bridge);
+
+ drm_mode_copy(&dsi->mode, adjusted_mode);
+}
+
static int exynos_dsi_attach(struct drm_bridge *bridge,
enum drm_bridge_attach_flags flags)
{
@@ -1530,6 +1540,7 @@ static const struct drm_bridge_funcs exynos_dsi_bridge_funcs = {
.atomic_reset = drm_atomic_helper_bridge_reset,
.atomic_enable = exynos_dsi_atomic_enable,
.atomic_disable = exynos_dsi_atomic_disable,
+ .mode_set = exynos_dsi_mode_set,
.attach = exynos_dsi_attach,
};
--
2.38.1