From 102b2f587ac814afd9ef396dd6fccb99d7f4d649 Mon Sep 17 00:00:00 2001 From: Mauro Rossi Date: Thu, 16 Jul 2020 00:54:08 +0200 Subject: [PATCH] drm/amd/display: dce_transform: DCE6 Scaling Horizontal Filter Init (v2) [Why] DCE6 has specific SCL_HORZ_FILTER_INIT_{LUMA_RGB,CHROMA} registers In DCE6 h_init_luma and h_init_chroma initialization is required Some DCE6 specific SCL_{HORZ,VERT}_FILTER_CONTROL masks were not listed [How] Add the registers and masks in dce_transform.h Add DCE6 specific struct sclh_ratios_inits in dce_transform.h Add dce60_calculate_inits() function Add dce60_program_scl_ratios_inits() function Fix dce60_transform_set_scaler() function v2: remove unused variable (Alex) Reviewed-by: Alex Deucher Signed-off-by: Mauro Rossi Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/display/dc/dce/dce_transform.c | 72 ++++++++++++++++++++-- drivers/gpu/drm/amd/display/dc/dce/dce_transform.h | 28 +++++++++ 2 files changed, 95 insertions(+), 5 deletions(-) diff --git a/drivers/gpu/drm/amd/display/dc/dce/dce_transform.c b/drivers/gpu/drm/amd/display/dc/dce/dce_transform.c index 3303d01..2a32b66 100644 --- a/drivers/gpu/drm/amd/display/dc/dce/dce_transform.c +++ b/drivers/gpu/drm/amd/display/dc/dce/dce_transform.c @@ -306,6 +306,36 @@ static void calculate_inits( inits->v_init.fraction = dc_fixpt_u0d19(v_init) << 5; } +#if defined(CONFIG_DRM_AMD_DC_SI) +static void dce60_calculate_inits( + struct dce_transform *xfm_dce, + const struct scaler_data *data, + struct sclh_ratios_inits *inits) +{ + struct fixed31_32 v_init; + + inits->h_int_scale_ratio = + dc_fixpt_u2d19(data->ratios.horz) << 5; + inits->v_int_scale_ratio = + dc_fixpt_u2d19(data->ratios.vert) << 5; + + /* DCE6 h_init_luma setting inspired by DCE110 */ + inits->h_init_luma.integer = 1; + + /* DCE6 h_init_chroma setting inspired by DCE110 */ + inits->h_init_chroma.integer = 1; + + v_init = + dc_fixpt_div_int( + dc_fixpt_add( + data->ratios.vert, + dc_fixpt_from_int(data->taps.v_taps + 1)), + 2); + inits->v_init.integer = dc_fixpt_floor(v_init); + inits->v_init.fraction = dc_fixpt_u0d19(v_init) << 5; +} +#endif + static void program_scl_ratios_inits( struct dce_transform *xfm_dce, struct scl_ratios_inits *inits) @@ -328,6 +358,36 @@ static void program_scl_ratios_inits( REG_WRITE(SCL_AUTOMATIC_MODE_CONTROL, 0); } +#if defined(CONFIG_DRM_AMD_DC_SI) +static void dce60_program_scl_ratios_inits( + struct dce_transform *xfm_dce, + struct sclh_ratios_inits *inits) +{ + + REG_SET(SCL_HORZ_FILTER_SCALE_RATIO, 0, + SCL_H_SCALE_RATIO, inits->h_int_scale_ratio); + + REG_SET(SCL_VERT_FILTER_SCALE_RATIO, 0, + SCL_V_SCALE_RATIO, inits->v_int_scale_ratio); + + /* DCE6 has SCL_HORZ_FILTER_INIT_RGB_LUMA register */ + REG_SET_2(SCL_HORZ_FILTER_INIT_RGB_LUMA, 0, + SCL_H_INIT_INT_RGB_Y, inits->h_init_luma.integer, + SCL_H_INIT_FRAC_RGB_Y, inits->h_init_luma.fraction); + + /* DCE6 has SCL_HORZ_FILTER_INIT_CHROMA register */ + REG_SET_2(SCL_HORZ_FILTER_INIT_CHROMA, 0, + SCL_H_INIT_INT_CBCR, inits->h_init_chroma.integer, + SCL_H_INIT_FRAC_CBCR, inits->h_init_chroma.fraction); + + REG_SET_2(SCL_VERT_FILTER_INIT, 0, + SCL_V_INIT_INT, inits->v_init.integer, + SCL_V_INIT_FRAC, inits->v_init.fraction); + + REG_WRITE(SCL_AUTOMATIC_MODE_CONTROL, 0); +} +#endif + static const uint16_t *get_filter_coeffs_16p(int taps, struct fixed31_32 ratio) { if (taps == 4) @@ -453,12 +513,14 @@ static void dce60_transform_set_scaler( is_scaling_required = dce60_setup_scaling_configuration(xfm_dce, data); if (is_scaling_required) { - /* 3. Calculate and program ratio, filter initialization */ - struct scl_ratios_inits inits = { 0 }; + /* 3. Calculate and program ratio, DCE6 filter initialization */ + struct sclh_ratios_inits inits = { 0 }; - calculate_inits(xfm_dce, data, &inits); + /* DCE6 has specific calculate_inits() function */ + dce60_calculate_inits(xfm_dce, data, &inits); - program_scl_ratios_inits(xfm_dce, &inits); + /* DCE6 has specific program_scl_ratios_inits() function */ + dce60_program_scl_ratios_inits(xfm_dce, &inits); coeffs_v = get_filter_coeffs_16p(data->taps.v_taps, data->ratios.vert); coeffs_h = get_filter_coeffs_16p(data->taps.h_taps, data->ratios.horz); @@ -503,7 +565,7 @@ static void dce60_transform_set_scaler( /* 6. Program the viewport */ program_viewport(xfm_dce, &data->viewport); - /* DCE6 does not have bit to flip to new coefficient memory */ + /* DCE6 has no SCL_COEF_UPDATE_COMPLETE bit to flip to new coefficient memory */ /* DCE6 DATA_FORMAT register does not support ALPHA_EN */ } diff --git a/drivers/gpu/drm/amd/display/dc/dce/dce_transform.h b/drivers/gpu/drm/amd/display/dc/dce/dce_transform.h index 95b28da..cbce194 100644 --- a/drivers/gpu/drm/amd/display/dc/dce/dce_transform.h +++ b/drivers/gpu/drm/amd/display/dc/dce/dce_transform.h @@ -331,6 +331,14 @@ XFM_SF(VIEWPORT_SIZE, VIEWPORT_WIDTH, mask_sh), \ XFM_SF(SCL_HORZ_FILTER_SCALE_RATIO, SCL_H_SCALE_RATIO, mask_sh), \ XFM_SF(SCL_VERT_FILTER_SCALE_RATIO, SCL_V_SCALE_RATIO, mask_sh), \ + XFM_SF(SCL_HORZ_FILTER_INIT_RGB_LUMA, SCL_H_INIT_INT_RGB_Y, mask_sh), \ + XFM_SF(SCL_HORZ_FILTER_INIT_RGB_LUMA, SCL_H_INIT_FRAC_RGB_Y, mask_sh), \ + XFM_SF(SCL_HORZ_FILTER_INIT_CHROMA, SCL_H_INIT_INT_CBCR, mask_sh), \ + XFM_SF(SCL_HORZ_FILTER_INIT_CHROMA, SCL_H_INIT_FRAC_CBCR, mask_sh), \ + XFM_SF(SCL_VERT_FILTER_INIT, SCL_V_INIT_INT, mask_sh), \ + XFM_SF(SCL_VERT_FILTER_INIT, SCL_V_INIT_FRAC, mask_sh), \ + XFM_SF(SCL_HORZ_FILTER_CONTROL, SCL_H_FILTER_PICK_NEAREST, mask_sh), \ + XFM_SF(SCL_VERT_FILTER_CONTROL, SCL_V_FILTER_PICK_NEAREST, mask_sh), \ XFM_SF(DC_LB_MEMORY_SPLIT, DC_LB_MEMORY_CONFIG, mask_sh), \ XFM_SF(DC_LB_MEM_SIZE, DC_LB_MEM_SIZE, mask_sh) #endif @@ -497,6 +505,10 @@ type SCL_V_SCALE_RATIO; \ type SCL_H_INIT_INT; \ type SCL_H_INIT_FRAC; \ + type SCL_H_INIT_INT_RGB_Y; \ + type SCL_H_INIT_FRAC_RGB_Y; \ + type SCL_H_INIT_INT_CBCR; \ + type SCL_H_INIT_FRAC_CBCR; \ type SCL_V_INIT_INT; \ type SCL_V_INIT_FRAC; \ type DC_LB_MEMORY_CONFIG; \ @@ -505,6 +517,8 @@ type LB_MEMORY_SIZE; \ type SCL_V_2TAP_HARDCODE_COEF_EN; \ type SCL_H_2TAP_HARDCODE_COEF_EN; \ + type SCL_V_FILTER_PICK_NEAREST; \ + type SCL_H_FILTER_PICK_NEAREST; \ type SCL_COEF_UPDATE_COMPLETE; \ type ALPHA_EN @@ -575,6 +589,10 @@ struct dce_transform_registers { uint32_t SCL_HORZ_FILTER_SCALE_RATIO; uint32_t SCL_VERT_FILTER_SCALE_RATIO; uint32_t SCL_HORZ_FILTER_INIT; +#if defined(CONFIG_DRM_AMD_DC_SI) + uint32_t SCL_HORZ_FILTER_INIT_RGB_LUMA; + uint32_t SCL_HORZ_FILTER_INIT_CHROMA; +#endif uint32_t SCL_VERT_FILTER_INIT; uint32_t SCL_AUTOMATIC_MODE_CONTROL; #if defined(CONFIG_DRM_AMD_DC_SI) @@ -598,6 +616,16 @@ struct scl_ratios_inits { struct init_int_and_frac v_init; }; +#if defined(CONFIG_DRM_AMD_DC_SI) +struct sclh_ratios_inits { + uint32_t h_int_scale_ratio; + uint32_t v_int_scale_ratio; + struct init_int_and_frac h_init_luma; + struct init_int_and_frac h_init_chroma; + struct init_int_and_frac v_init; +}; +#endif + enum ram_filter_type { FILTER_TYPE_RGB_Y_VERTICAL = 0, /* 0 - RGB/Y Vertical filter */ FILTER_TYPE_CBCR_VERTICAL = 1, /* 1 - CbCr Vertical filter */ -- 2.7.4