[PATCH 01/22] drm/amd/display: Remove hardmax usage for dcn401
Aurabindo Pillai
aurabindo.pillai at amd.com
Wed Jul 17 19:38:40 UTC 2024
From: Dillon Varone <dillon.varone at amd.com>
[WHY&HOW]
Hardmax message will be retired for dcn4, so this removes it.
Reviewed-by: Alvin Lee <alvin.lee2 at amd.com>
Signed-off-by: Aurabindo Pillai <aurabindo.pillai at amd.com>
Signed-off-by: Dillon Varone <dillon.varone at amd.com>
---
.../dc/clk_mgr/dcn401/dcn401_clk_mgr.c | 44 ++++++++++---------
drivers/gpu/drm/amd/display/dc/core/dc.c | 11 ++---
.../amd/display/dc/hwss/dcn401/dcn401_hwseq.c | 3 --
3 files changed, 29 insertions(+), 29 deletions(-)
diff --git a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn401/dcn401_clk_mgr.c b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn401/dcn401_clk_mgr.c
index c453c5f15ce7..cce425dd62d2 100644
--- a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn401/dcn401_clk_mgr.c
+++ b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn401/dcn401_clk_mgr.c
@@ -931,12 +931,12 @@ static void dcn401_execute_block_sequence(struct clk_mgr *clk_mgr_base, unsigned
static unsigned int dcn401_build_update_bandwidth_clocks_sequence(
struct clk_mgr *clk_mgr_base,
struct dc_state *context,
+ struct dc_clocks *new_clocks,
bool safe_to_lower)
{
struct clk_mgr_internal *clk_mgr_internal = TO_CLK_MGR_INTERNAL(clk_mgr_base);
struct dcn401_clk_mgr *clk_mgr401 = TO_DCN401_CLK_MGR(clk_mgr_internal);
struct dc *dc = clk_mgr_base->ctx->dc;
- struct dc_clocks *new_clocks = &context->bw_ctx.bw.dcn.clk;
struct dcn401_clk_mgr_block_sequence *block_sequence = clk_mgr401->block_sequence;
bool enter_display_off = false;
bool update_active_fclk = false;
@@ -1218,13 +1218,13 @@ static unsigned int dcn401_build_update_bandwidth_clocks_sequence(
static unsigned int dcn401_build_update_display_clocks_sequence(
struct clk_mgr *clk_mgr_base,
struct dc_state *context,
+ struct dc_clocks *new_clocks,
bool safe_to_lower)
{
struct clk_mgr_internal *clk_mgr_internal = TO_CLK_MGR_INTERNAL(clk_mgr_base);
struct dcn401_clk_mgr *clk_mgr401 = TO_DCN401_CLK_MGR(clk_mgr_internal);
struct dc *dc = clk_mgr_base->ctx->dc;
struct dmcu *dmcu = clk_mgr_base->ctx->dc->res_pool->dmcu;
- struct dc_clocks *new_clocks = &context->bw_ctx.bw.dcn.clk;
struct dcn401_clk_mgr_block_sequence *block_sequence = clk_mgr401->block_sequence;
bool force_reset = false;
bool update_dispclk = false;
@@ -1375,6 +1375,7 @@ static void dcn401_update_clocks(struct clk_mgr *clk_mgr_base,
/* build bandwidth related clocks update sequence */
num_steps = dcn401_build_update_bandwidth_clocks_sequence(clk_mgr_base,
context,
+ &context->bw_ctx.bw.dcn.clk,
safe_to_lower);
/* execute sequence */
@@ -1383,6 +1384,7 @@ static void dcn401_update_clocks(struct clk_mgr *clk_mgr_base,
/* build display related clocks update sequence */
num_steps = dcn401_build_update_display_clocks_sequence(clk_mgr_base,
context,
+ &context->bw_ctx.bw.dcn.clk,
safe_to_lower);
/* execute sequence */
@@ -1474,33 +1476,34 @@ static void dcn401_notify_wm_ranges(struct clk_mgr *clk_mgr_base)
static void dcn401_set_hard_min_memclk(struct clk_mgr *clk_mgr_base, bool current_mode)
{
struct clk_mgr_internal *clk_mgr = TO_CLK_MGR_INTERNAL(clk_mgr_base);
+ const struct dc *dc = clk_mgr->base.ctx->dc;
+ struct dc_state *context = dc->current_state;
+ struct dc_clocks new_clocks;
+ int num_steps;
if (!clk_mgr->smu_present || !dcn401_is_ppclk_dpm_enabled(clk_mgr, PPCLK_UCLK))
return;
+ /* build clock update */
+ memcpy(&new_clocks, &clk_mgr_base->clks, sizeof(struct dc_clocks));
+
if (current_mode) {
- if (clk_mgr_base->clks.p_state_change_support)
- dcn401_smu_set_hard_min_by_freq(clk_mgr, PPCLK_UCLK,
- khz_to_mhz_ceil(clk_mgr_base->clks.dramclk_khz));
- else
- dcn401_smu_set_hard_min_by_freq(clk_mgr, PPCLK_UCLK,
- clk_mgr_base->bw_params->max_memclk_mhz);
+ new_clocks.dramclk_khz = context->bw_ctx.bw.dcn.clk.dramclk_khz;
+ new_clocks.idle_dramclk_khz = context->bw_ctx.bw.dcn.clk.idle_dramclk_khz;
+ new_clocks.p_state_change_support = context->bw_ctx.bw.dcn.clk.p_state_change_support;
} else {
- dcn401_smu_set_hard_min_by_freq(clk_mgr, PPCLK_UCLK,
- clk_mgr_base->bw_params->clk_table.entries[0].memclk_mhz);
+ new_clocks.dramclk_khz = clk_mgr_base->bw_params->clk_table.entries[0].memclk_mhz * 1000;
+ new_clocks.idle_dramclk_khz = new_clocks.dramclk_khz;
+ new_clocks.p_state_change_support = true;
}
-}
-/* Set max memclk to highest DPM value */
-static void dcn401_set_hard_max_memclk(struct clk_mgr *clk_mgr_base)
-{
- struct clk_mgr_internal *clk_mgr = TO_CLK_MGR_INTERNAL(clk_mgr_base);
-
- if (!clk_mgr->smu_present || !dcn401_is_ppclk_dpm_enabled(clk_mgr, PPCLK_UCLK))
- return;
+ num_steps = dcn401_build_update_bandwidth_clocks_sequence(clk_mgr_base,
+ context,
+ &new_clocks,
+ true);
- dcn30_smu_set_hard_max_by_freq(clk_mgr, PPCLK_UCLK,
- clk_mgr_base->bw_params->max_memclk_mhz);
+ /* execute sequence */
+ dcn401_execute_block_sequence(clk_mgr_base, num_steps);
}
/* Get current memclk states, update bounding box */
@@ -1631,7 +1634,6 @@ static struct clk_mgr_funcs dcn401_funcs = {
.init_clocks = dcn401_init_clocks,
.notify_wm_ranges = dcn401_notify_wm_ranges,
.set_hard_min_memclk = dcn401_set_hard_min_memclk,
- .set_hard_max_memclk = dcn401_set_hard_max_memclk,
.get_memclk_states_from_smu = dcn401_get_memclk_states_from_smu,
.are_clock_states_equal = dcn401_are_clock_states_equal,
.enable_pme_wa = dcn401_enable_pme_wa,
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc.c b/drivers/gpu/drm/amd/display/dc/core/dc.c
index f07b13ad4ead..b71c4d8e73dd 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc.c
@@ -5462,9 +5462,10 @@ static void blank_and_force_memclk(struct dc *dc, bool apply, unsigned int memcl
hubp->funcs->set_blank_regs(hubp, true);
}
}
-
- dc->clk_mgr->funcs->set_max_memclk(dc->clk_mgr, memclk_mhz);
- dc->clk_mgr->funcs->set_min_memclk(dc->clk_mgr, memclk_mhz);
+ if (dc->clk_mgr->funcs->set_max_memclk)
+ dc->clk_mgr->funcs->set_max_memclk(dc->clk_mgr, memclk_mhz);
+ if (dc->clk_mgr->funcs->set_min_memclk)
+ dc->clk_mgr->funcs->set_min_memclk(dc->clk_mgr, memclk_mhz);
for (i = 0; i < dc->res_pool->pipe_count; i++) {
pipe = &context->res_ctx.pipe_ctx[i];
@@ -5513,7 +5514,7 @@ void dc_enable_dcmode_clk_limit(struct dc *dc, bool enable)
if (enable && !dc->clk_mgr->dc_mode_softmax_enabled) {
if (p_state_change_support) {
- if (funcMin <= softMax)
+ if (funcMin <= softMax && dc->clk_mgr->funcs->set_max_memclk)
dc->clk_mgr->funcs->set_max_memclk(dc->clk_mgr, softMax);
// else: No-Op
} else {
@@ -5523,7 +5524,7 @@ void dc_enable_dcmode_clk_limit(struct dc *dc, bool enable)
}
} else if (!enable && dc->clk_mgr->dc_mode_softmax_enabled) {
if (p_state_change_support) {
- if (funcMin <= softMax)
+ if (funcMin <= softMax && dc->clk_mgr->funcs->set_max_memclk)
dc->clk_mgr->funcs->set_max_memclk(dc->clk_mgr, maxDPM);
// else: No-Op
} else {
diff --git a/drivers/gpu/drm/amd/display/dc/hwss/dcn401/dcn401_hwseq.c b/drivers/gpu/drm/amd/display/dc/hwss/dcn401/dcn401_hwseq.c
index f4c1547a368f..779960278a5c 100644
--- a/drivers/gpu/drm/amd/display/dc/hwss/dcn401/dcn401_hwseq.c
+++ b/drivers/gpu/drm/amd/display/dc/hwss/dcn401/dcn401_hwseq.c
@@ -416,9 +416,6 @@ void dcn401_init_hw(struct dc *dc)
if (dc->clk_mgr->funcs->notify_wm_ranges)
dc->clk_mgr->funcs->notify_wm_ranges(dc->clk_mgr);
- if (dc->clk_mgr->funcs->set_hard_max_memclk && !dc->clk_mgr->dc_mode_softmax_enabled)
- dc->clk_mgr->funcs->set_hard_max_memclk(dc->clk_mgr);
-
if (dc->res_pool->hubbub->funcs->force_pstate_change_control)
dc->res_pool->hubbub->funcs->force_pstate_change_control(
dc->res_pool->hubbub, false, false);
--
2.39.2
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