On Fri, Dec 18, 2020 at 5:16 PM Bhawanpreet Lakha
<Bhawanpreet.Lakha@xxxxxxx> wrote:
>
> From: Joshua Aberback <joshua.aberback@xxxxxxx>
>
> We need these to support PSR on DCN302
>
> Signed-off-by: Joshua Aberback <joshua.aberback@xxxxxxx>
> Signed-off-by: Bhawanpreet Lakha <Bhawanpreet.Lakha@xxxxxxx>
Acked-by: Alex Deucher <alexander.deucher@xxxxxxx>
> ---
> .../gpu/drm/amd/display/dc/dcn302/dcn302_resource.c | 13 +++++++++++++
> 1 file changed, 13 insertions(+)
>
> diff --git a/drivers/gpu/drm/amd/display/dc/dcn302/dcn302_resource.c b/drivers/gpu/drm/amd/display/dc/dcn302/dcn302_resource.c
> index 808c4dcdb3ac..8d24cd5e484e 100644
> --- a/drivers/gpu/drm/amd/display/dc/dcn302/dcn302_resource.c
> +++ b/drivers/gpu/drm/amd/display/dc/dcn302/dcn302_resource.c
> @@ -53,6 +53,7 @@
> #include "dce/dce_i2c_hw.h"
> #include "dce/dce_panel_cntl.h"
> #include "dce/dmub_abm.h"
> +#include "dce/dmub_psr.h"
>
> #include "hw_sequencer_private.h"
> #include "reg_helper.h"
> @@ -238,6 +239,7 @@ static const struct dc_debug_options debug_defaults_diags = {
> .dwb_fi_phase = -1, // -1 = disable
> .dmub_command_table = true,
> .enable_tri_buf = true,
> + .disable_psr = true,
> };
>
> enum dcn302_clk_src_array_id {
> @@ -1213,6 +1215,9 @@ static void dcn302_resource_destruct(struct resource_pool *pool)
> dce_abm_destroy(&pool->multiple_abms[i]);
> }
>
> + if (pool->psr != NULL)
> + dmub_psr_destroy(&pool->psr);
> +
> if (pool->dccg != NULL)
> dcn_dccg_destroy(&pool->dccg);
> }
> @@ -1469,6 +1474,14 @@ static bool dcn302_resource_construct(
> }
> pool->timing_generator_count = i;
>
> + /* PSR */
> + pool->psr = dmub_psr_create(ctx);
> + if (pool->psr == NULL) {
> + dm_error("DC: failed to create psr!\n");
> + BREAK_TO_DEBUGGER();
> + goto create_fail;
> + }
> +
> /* ABMs */
> for (i = 0; i < pool->res_cap->num_timing_generator; i++) {
> pool->multiple_abms[i] = dmub_abm_create(ctx, &abm_regs[i], &abm_shift, &abm_mask);
> --
> 2.25.1
>
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