[PATCH 5/7] drm/i915/psr: Configure PIPE_SRCSZ_ERLY_TPT for psr2 early transport

Kahola, Mika mika.kahola at intel.com
Tue Jan 9 12:50:23 UTC 2024


> -----Original Message-----
> From: Intel-gfx <intel-gfx-bounces at lists.freedesktop.org> On Behalf Of Jouni Högander
> Sent: Monday, December 18, 2023 7:50 PM
> To: intel-gfx at lists.freedesktop.org
> Subject: [PATCH 5/7] drm/i915/psr: Configure PIPE_SRCSZ_ERLY_TPT for psr2 early transport
> 
> There is a new register used to configure selective update area size for early transport.
> 
> Configure PIPE_SRCSZ_ERLY_TPT using calculated selective update area carried in crtc_state->su_area.
> 
> Bspec: 68927
> 

Reviewed-by: Mika Kahola <mika.kahola at intel.com>

> Signed-off-by: Jouni Högander <jouni.hogander at intel.com>
> ---
>  drivers/gpu/drm/i915/display/intel_display.c  | 10 ++++++++++  drivers/gpu/drm/i915/display/intel_psr_regs.h |  5 +++++
>  2 files changed, 15 insertions(+)
> 
> diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c
> index f1e58163277d..8d250209999a 100644
> --- a/drivers/gpu/drm/i915/display/intel_display.c
> +++ b/drivers/gpu/drm/i915/display/intel_display.c
> @@ -104,6 +104,7 @@
>  #include "intel_pmdemand.h"
>  #include "intel_pps.h"
>  #include "intel_psr.h"
> +#include "intel_psr_regs.h"
>  #include "intel_sdvo.h"
>  #include "intel_snps_phy.h"
>  #include "intel_tc.h"
> @@ -2706,6 +2707,15 @@ static void intel_set_pipe_src_size(const struct intel_crtc_state *crtc_state)
>  	 */
>  	intel_de_write(dev_priv, PIPESRC(pipe),
>  		       PIPESRC_WIDTH(width - 1) | PIPESRC_HEIGHT(height - 1));
> +
> +	if (!crtc_state->enable_psr2_su_region_et)
> +		return;
> +
> +	width = drm_rect_width(&crtc_state->psr2_su_area);
> +	height = drm_rect_height(&crtc_state->psr2_su_area);
> +
> +	intel_de_write(dev_priv, PIPE_SRCSZ_ERLY_TPT(pipe),
> +		       PIPESRC_WIDTH(width - 1) | PIPESRC_HEIGHT(height - 1));
>  }
> 
>  static bool intel_pipe_is_interlaced(const struct intel_crtc_state *crtc_state) diff --git
> a/drivers/gpu/drm/i915/display/intel_psr_regs.h b/drivers/gpu/drm/i915/display/intel_psr_regs.h
> index efe4306b37e0..ceefcc70e8f9 100644
> --- a/drivers/gpu/drm/i915/display/intel_psr_regs.h
> +++ b/drivers/gpu/drm/i915/display/intel_psr_regs.h
> @@ -245,6 +245,11 @@
>  #define  ADLP_PSR2_MAN_TRK_CTL_SF_SINGLE_FULL_FRAME		REG_BIT(14)
>  #define  ADLP_PSR2_MAN_TRK_CTL_SF_CONTINUOS_FULL_FRAME		REG_BIT(13)
> 
> +/* PSR2 Early transport */
> +#define _PIPE_SRCSZ_ERLY_TPT_A	0x70074
> +
> +#define PIPE_SRCSZ_ERLY_TPT(trans)	_MMIO_TRANS2(trans, _PIPE_SRCSZ_ERLY_TPT_A)
> +
>  #define _SEL_FETCH_PLANE_BASE_1_A		0x70890
>  #define _SEL_FETCH_PLANE_BASE_2_A		0x708B0
>  #define _SEL_FETCH_PLANE_BASE_3_A		0x708D0
> --
> 2.34.1



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