summaryrefslogtreecommitdiff
path: root/drivers/gpu/drm/vc4/vc4_kms.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/gpu/drm/vc4/vc4_kms.c')
-rw-r--r--drivers/gpu/drm/vc4/vc4_kms.c135
1 files changed, 104 insertions, 31 deletions
diff --git a/drivers/gpu/drm/vc4/vc4_kms.c b/drivers/gpu/drm/vc4/vc4_kms.c
index a7e3d47c50f4..e563c1210937 100644
--- a/drivers/gpu/drm/vc4/vc4_kms.c
+++ b/drivers/gpu/drm/vc4/vc4_kms.c
@@ -19,6 +19,7 @@
#include <drm/drm_crtc.h>
#include <drm/drm_fourcc.h>
#include <drm/drm_gem_framebuffer_helper.h>
+#include <drm/drm_print.h>
#include <drm/drm_probe_helper.h>
#include <drm/drm_vblank.h>
@@ -31,11 +32,8 @@ struct vc4_ctm_state {
int fifo;
};
-static struct vc4_ctm_state *
-to_vc4_ctm_state(const struct drm_private_state *priv)
-{
- return container_of(priv, struct vc4_ctm_state, base);
-}
+#define to_vc4_ctm_state(_state) \
+ container_of_const(_state, struct vc4_ctm_state, base)
struct vc4_load_tracker_state {
struct drm_private_state base;
@@ -43,11 +41,8 @@ struct vc4_load_tracker_state {
u64 membus_load;
};
-static struct vc4_load_tracker_state *
-to_vc4_load_tracker_state(const struct drm_private_state *priv)
-{
- return container_of(priv, struct vc4_load_tracker_state, base);
-}
+#define to_vc4_load_tracker_state(_state) \
+ container_of_const(_state, struct vc4_load_tracker_state, base)
static struct vc4_ctm_state *vc4_get_ctm_state(struct drm_atomic_state *state,
struct drm_private_obj *manager)
@@ -144,6 +139,8 @@ vc4_ctm_commit(struct vc4_dev *vc4, struct drm_atomic_state *state)
struct vc4_ctm_state *ctm_state = to_vc4_ctm_state(vc4->ctm_manager.state);
struct drm_color_ctm *ctm = ctm_state->ctm;
+ WARN_ON_ONCE(vc4->gen > VC4_GEN_5);
+
if (ctm_state->fifo) {
HVS_WRITE(SCALER_OLEDCOEF2,
VC4_SET_FIELD(vc4_ctm_s31_32_to_s0_9(ctm->matrix[0]),
@@ -219,6 +216,8 @@ static void vc4_hvs_pv_muxing_commit(struct vc4_dev *vc4,
struct drm_crtc *crtc;
unsigned int i;
+ WARN_ON_ONCE(vc4->gen != VC4_GEN_4);
+
for_each_new_crtc_in_state(state, crtc, crtc_state, i) {
struct vc4_crtc *vc4_crtc = to_vc4_crtc(crtc);
struct vc4_crtc_state *vc4_state = to_vc4_crtc_state(crtc_state);
@@ -262,6 +261,8 @@ static void vc5_hvs_pv_muxing_commit(struct vc4_dev *vc4,
unsigned int i;
u32 reg;
+ WARN_ON_ONCE(vc4->gen != VC4_GEN_5);
+
for_each_new_crtc_in_state(state, crtc, crtc_state, i) {
struct vc4_crtc_state *vc4_state = to_vc4_crtc_state(crtc_state);
struct vc4_crtc *vc4_crtc = to_vc4_crtc(crtc);
@@ -326,17 +327,62 @@ static void vc5_hvs_pv_muxing_commit(struct vc4_dev *vc4,
}
}
+static void vc6_hvs_pv_muxing_commit(struct vc4_dev *vc4,
+ struct drm_atomic_state *state)
+{
+ struct vc4_hvs *hvs = vc4->hvs;
+ struct drm_crtc_state *crtc_state;
+ struct drm_crtc *crtc;
+ unsigned int i;
+
+ WARN_ON_ONCE(vc4->gen != VC4_GEN_6_C && vc4->gen != VC4_GEN_6_D);
+
+ for_each_new_crtc_in_state(state, crtc, crtc_state, i) {
+ struct vc4_crtc_state *vc4_state = to_vc4_crtc_state(crtc_state);
+ struct vc4_encoder *vc4_encoder;
+ struct drm_encoder *encoder;
+ unsigned char mux;
+ u32 reg;
+
+ if (!vc4_state->update_muxing)
+ continue;
+
+ if (vc4_state->assigned_channel != 1)
+ continue;
+
+ encoder = vc4_get_crtc_encoder(crtc, crtc_state);
+ vc4_encoder = to_vc4_encoder(encoder);
+ switch (vc4_encoder->type) {
+ case VC4_ENCODER_TYPE_HDMI1:
+ mux = 0;
+ break;
+
+ case VC4_ENCODER_TYPE_TXP1:
+ mux = 2;
+ break;
+
+ default:
+ drm_err(&vc4->base, "Unhandled encoder type for PV muxing %d",
+ vc4_encoder->type);
+ mux = 0;
+ break;
+ }
+
+ reg = HVS_READ(SCALER6_CONTROL);
+ HVS_WRITE(SCALER6_CONTROL,
+ (reg & ~SCALER6_CONTROL_DSP1_TARGET_MASK) |
+ VC4_SET_FIELD(mux, SCALER6_CONTROL_DSP1_TARGET));
+ }
+}
+
static void vc4_atomic_commit_tail(struct drm_atomic_state *state)
{
struct drm_device *dev = state->dev;
struct vc4_dev *vc4 = to_vc4_dev(dev);
struct vc4_hvs *hvs = vc4->hvs;
- struct drm_crtc_state *new_crtc_state;
struct vc4_hvs_state *new_hvs_state;
- struct drm_crtc *crtc;
struct vc4_hvs_state *old_hvs_state;
unsigned int channel;
- int i;
old_hvs_state = vc4_hvs_get_old_global_state(state);
if (WARN_ON(IS_ERR(old_hvs_state)))
@@ -346,14 +392,20 @@ static void vc4_atomic_commit_tail(struct drm_atomic_state *state)
if (WARN_ON(IS_ERR(new_hvs_state)))
return;
- for_each_new_crtc_in_state(state, crtc, new_crtc_state, i) {
- struct vc4_crtc_state *vc4_crtc_state;
+ if (vc4->gen < VC4_GEN_6_C) {
+ struct drm_crtc_state *new_crtc_state;
+ struct drm_crtc *crtc;
+ int i;
- if (!new_crtc_state->commit)
- continue;
+ for_each_new_crtc_in_state(state, crtc, new_crtc_state, i) {
+ struct vc4_crtc_state *vc4_crtc_state;
+
+ if (!new_crtc_state->commit)
+ continue;
- vc4_crtc_state = to_vc4_crtc_state(new_crtc_state);
- vc4_hvs_mask_underrun(hvs, vc4_crtc_state->assigned_channel);
+ vc4_crtc_state = to_vc4_crtc_state(new_crtc_state);
+ vc4_hvs_mask_underrun(hvs, vc4_crtc_state->assigned_channel);
+ }
}
for (channel = 0; channel < HVS_NUM_CHANNELS; channel++) {
@@ -375,7 +427,7 @@ static void vc4_atomic_commit_tail(struct drm_atomic_state *state)
old_hvs_state->fifo_state[channel].pending_commit = NULL;
}
- if (vc4->is_vc5) {
+ if (vc4->gen == VC4_GEN_5) {
unsigned long state_rate = max(old_hvs_state->core_clock_rate,
new_hvs_state->core_clock_rate);
unsigned long core_rate = clamp_t(unsigned long, state_rate,
@@ -388,16 +440,32 @@ static void vc4_atomic_commit_tail(struct drm_atomic_state *state)
* modeset.
*/
WARN_ON(clk_set_min_rate(hvs->core_clk, core_rate));
+ WARN_ON(clk_set_min_rate(hvs->disp_clk, core_rate));
}
drm_atomic_helper_commit_modeset_disables(dev, state);
- vc4_ctm_commit(vc4, state);
+ if (vc4->gen <= VC4_GEN_5)
+ vc4_ctm_commit(vc4, state);
- if (vc4->is_vc5)
- vc5_hvs_pv_muxing_commit(vc4, state);
- else
+ switch (vc4->gen) {
+ case VC4_GEN_4:
vc4_hvs_pv_muxing_commit(vc4, state);
+ break;
+
+ case VC4_GEN_5:
+ vc5_hvs_pv_muxing_commit(vc4, state);
+ break;
+
+ case VC4_GEN_6_C:
+ case VC4_GEN_6_D:
+ vc6_hvs_pv_muxing_commit(vc4, state);
+ break;
+
+ default:
+ drm_err(dev, "Unknown VC4 generation: %d", vc4->gen);
+ break;
+ }
drm_atomic_helper_commit_planes(dev, state,
DRM_PLANE_COMMIT_ACTIVE_ONLY);
@@ -412,7 +480,7 @@ static void vc4_atomic_commit_tail(struct drm_atomic_state *state)
drm_atomic_helper_cleanup_planes(dev, state);
- if (vc4->is_vc5) {
+ if (vc4->gen == VC4_GEN_5) {
unsigned long core_rate = min_t(unsigned long,
hvs->max_core_rate,
new_hvs_state->core_clock_rate);
@@ -424,6 +492,7 @@ static void vc4_atomic_commit_tail(struct drm_atomic_state *state)
* requirements.
*/
WARN_ON(clk_set_min_rate(hvs->core_clk, core_rate));
+ WARN_ON(clk_set_min_rate(hvs->disp_clk, core_rate));
drm_dbg(dev, "Core clock actual rate: %lu Hz\n",
clk_get_rate(hvs->core_clk));
@@ -462,12 +531,13 @@ static int vc4_atomic_commit_setup(struct drm_atomic_state *state)
static struct drm_framebuffer *vc4_fb_create(struct drm_device *dev,
struct drm_file *file_priv,
+ const struct drm_format_info *info,
const struct drm_mode_fb_cmd2 *mode_cmd)
{
struct vc4_dev *vc4 = to_vc4_dev(dev);
struct drm_mode_fb_cmd2 mode_cmd_local;
- if (WARN_ON_ONCE(vc4->is_vc5))
+ if (WARN_ON_ONCE(vc4->gen > VC4_GEN_4))
return ERR_PTR(-ENODEV);
/* If the user didn't specify a modifier, use the
@@ -500,7 +570,7 @@ static struct drm_framebuffer *vc4_fb_create(struct drm_device *dev,
mode_cmd = &mode_cmd_local;
}
- return drm_gem_fb_create(dev, file_priv, mode_cmd);
+ return drm_gem_fb_create(dev, file_priv, info, mode_cmd);
}
/* Our CTM has some peculiar limitations: we can only enable it for one CRTC
@@ -717,7 +787,7 @@ static void vc4_hvs_channels_destroy_state(struct drm_private_obj *obj,
static void vc4_hvs_channels_print_state(struct drm_printer *p,
const struct drm_private_state *state)
{
- struct vc4_hvs_state *hvs_state = to_vc4_hvs_state(state);
+ const struct vc4_hvs_state *hvs_state = to_vc4_hvs_state(state);
unsigned int i;
drm_printf(p, "HVS State\n");
@@ -1046,7 +1116,7 @@ int vc4_kms_load(struct drm_device *dev)
* the BCM2711, but the load tracker computations are used for
* the core clock rate calculation.
*/
- if (!vc4->is_vc5) {
+ if (vc4->gen == VC4_GEN_4) {
/* Start with the load tracker enabled. Can be
* disabled through the debugfs load_tracker file.
*/
@@ -1062,7 +1132,10 @@ int vc4_kms_load(struct drm_device *dev)
return ret;
}
- if (vc4->is_vc5) {
+ if (vc4->gen >= VC4_GEN_6_C) {
+ dev->mode_config.max_width = 8192;
+ dev->mode_config.max_height = 8192;
+ } else if (vc4->gen >= VC4_GEN_5) {
dev->mode_config.max_width = 7680;
dev->mode_config.max_height = 7680;
} else {
@@ -1070,7 +1143,7 @@ int vc4_kms_load(struct drm_device *dev)
dev->mode_config.max_height = 2048;
}
- dev->mode_config.funcs = vc4->is_vc5 ? &vc5_mode_funcs : &vc4_mode_funcs;
+ dev->mode_config.funcs = (vc4->gen > VC4_GEN_4) ? &vc5_mode_funcs : &vc4_mode_funcs;
dev->mode_config.helper_private = &vc4_mode_config_helpers;
dev->mode_config.preferred_depth = 24;
dev->mode_config.async_page_flip = true;
generated by cgit (git 2.34.1) at 2025-12-25 06:31:09 +0000