openwrt/target/linux/bcm27xx/patches-5.15/950-0714-drm-vc4-Convert-vc4_dsi-to-use-atomic-enable-disable.patch
Álvaro Fernández Rojas 20ea6adbf1 bcm27xx: add support for linux v5.15
Build system: x86_64
Build-tested: bcm2708, bcm2709, bcm2710, bcm2711
Run-tested: bcm2708/RPiB+, bcm2709/RPi3B, bcm2710/RPi3B, bcm2711/RPi4B

Signed-off-by: Marty Jones <mj8263788@gmail.com>
Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
2022-05-17 15:11:22 +02:00

86 lines
3.0 KiB
Diff

From 2a6dfa1110ab7d6d5fd4fcce0040219346e89498 Mon Sep 17 00:00:00 2001
From: Dave Stevenson <dave.stevenson@raspberrypi.com>
Date: Wed, 15 Dec 2021 17:47:14 +0000
Subject: [PATCH] drm/vc4: Convert vc4_dsi to use atomic
enable/disable/mode_set.
The atomic calls are preferred as the non-atomic ones
are deprecated. In preparation for conversion to a bridge,
switch to the atomic calls.
Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
---
drivers/gpu/drm/vc4/vc4_dsi.c | 23 +++++++++++++++--------
1 file changed, 15 insertions(+), 8 deletions(-)
--- a/drivers/gpu/drm/vc4/vc4_dsi.c
+++ b/drivers/gpu/drm/vc4/vc4_dsi.c
@@ -792,7 +792,8 @@ dsi_esc_timing(u32 ns)
return DIV_ROUND_UP(ns, ESC_TIME_NS);
}
-static void vc4_dsi_encoder_disable(struct drm_encoder *encoder)
+static void vc4_dsi_encoder_disable(struct drm_encoder *encoder,
+ struct drm_atomic_state *state)
{
struct vc4_dsi_encoder *vc4_encoder = to_vc4_dsi_encoder(encoder);
struct vc4_dsi *dsi = vc4_encoder->dsi;
@@ -858,18 +859,19 @@ static bool vc4_dsi_encoder_mode_fixup(s
}
static void vc4_dsi_encoder_mode_set(struct drm_encoder *encoder,
- struct drm_display_mode *user_mode,
- struct drm_display_mode *adjusted_mode)
+ struct drm_crtc_state *crtc_state,
+ struct drm_connector_state *conn_state)
{
struct vc4_dsi_encoder *vc4_encoder = to_vc4_dsi_encoder(encoder);
struct vc4_dsi *dsi = vc4_encoder->dsi;
struct device *dev = &dsi->pdev->dev;
+ const struct drm_display_mode *mode;
bool debug_dump_regs = false;
unsigned long hs_clock;
u32 ui_ns;
/* Minimum LP state duration in escape clock cycles. */
u32 lpx = dsi_esc_timing(60);
- unsigned long pixel_clock_hz = adjusted_mode->clock * 1000;
+ unsigned long pixel_clock_hz;
unsigned long dsip_clock;
unsigned long phy_clock;
int ret;
@@ -886,6 +888,10 @@ static void vc4_dsi_encoder_mode_set(str
drm_print_regset32(&p, &dsi->regset);
}
+ mode = &crtc_state->adjusted_mode;
+
+ pixel_clock_hz = mode->clock * 1000;
+
/* Round up the clk_set_rate() request slightly, since
* PLLD_DSI1 is an integer divider and its rate selection will
* never round up.
@@ -1098,7 +1104,8 @@ static void vc4_dsi_encoder_mode_set(str
vc4_dsi_ulps(dsi, false);
}
-static void vc4_dsi_encoder_enable(struct drm_encoder *encoder)
+static void vc4_dsi_encoder_enable(struct drm_encoder *encoder,
+ struct drm_atomic_state *state)
{
struct vc4_dsi_encoder *vc4_encoder = to_vc4_dsi_encoder(encoder);
struct vc4_dsi *dsi = vc4_encoder->dsi;
@@ -1355,10 +1362,10 @@ static const struct mipi_dsi_host_ops vc
};
static const struct drm_encoder_helper_funcs vc4_dsi_encoder_helper_funcs = {
- .disable = vc4_dsi_encoder_disable,
- .enable = vc4_dsi_encoder_enable,
+ .atomic_disable = vc4_dsi_encoder_disable,
+ .atomic_enable = vc4_dsi_encoder_enable,
.mode_fixup = vc4_dsi_encoder_mode_fixup,
- .mode_set = vc4_dsi_encoder_mode_set,
+ .atomic_mode_set = vc4_dsi_encoder_mode_set,
};
static const struct vc4_dsi_variant bcm2711_dsi1_variant = {