From nobody Tue Feb 10 04:12:42 2026 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 825BEC7EE29 for ; Tue, 13 Jun 2023 07:07:23 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S240558AbjFMHHV (ORCPT ); Tue, 13 Jun 2023 03:07:21 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:51518 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S240398AbjFMHGz (ORCPT ); Tue, 13 Jun 2023 03:06:55 -0400 Received: from esa.microchip.iphmx.com (esa.microchip.iphmx.com [68.232.153.233]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 2819C1FFB; Tue, 13 Jun 2023 00:06:15 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=microchip.com; i=@microchip.com; q=dns/txt; s=mchp; t=1686639975; x=1718175975; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=EXoJDlE0rvVHtvzhro8MbvcrVWmqxytqo57znv5RaEU=; b=qm0p7qM1AFJ+i55uLCzWk8mXVzZU7fvQDv6x7flTJK/BEeBKW+lTf3Dr kX6rLuRK/VLKDTNXrQDms3JxFjIW6c+AdemsBlSZ4x0kZptL+m73L5zu+ QvkEv7VrQoC/+K7i50EGN2xZ8Ly8lUaw2TB2gpMJXy2S6/kl9D35trdT5 CtbJaJsv2ONyEaXLgeYcMnzndXqdctMA38W4uihQhbaSywwNJlBlQlpa0 M0B4wB8KCu2Ho/bPu5gK54Aal6IGCRYIkiP/9hh+V8RpbHu7c6KSDTvRK eKLUENrl9xVwX+qX7B272uAkizKSGbeVRFd7z010zXtmD9MEnbQkzmAUz A==; X-IronPort-AV: E=Sophos;i="6.00,238,1681196400"; d="scan'208";a="229806880" X-Amp-Result: SKIPPED(no attachment in message) Received: from unknown (HELO email.microchip.com) ([170.129.1.10]) by esa1.microchip.iphmx.com with ESMTP/TLS/AES256-SHA256; 13 Jun 2023 00:06:03 -0700 Received: from chn-vm-ex02.mchp-main.com (10.10.85.144) by chn-vm-ex04.mchp-main.com (10.10.85.152) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.21; Tue, 13 Jun 2023 00:05:56 -0700 Received: from che-lt-i67131.microchip.com (10.10.115.15) by chn-vm-ex02.mchp-main.com (10.10.85.144) with Microsoft SMTP Server id 15.1.2507.21 via Frontend Transport; Tue, 13 Jun 2023 00:05:47 -0700 From: Manikandan Muralidharan To: , , , , , , , , , , , , , , CC: , , , , , , , Manikandan , Durai Manickam KR Subject: [PATCH 6/9] drm: atmel_hlcdc: Add support for XLCDC in atmel LCD driver Date: Tue, 13 Jun 2023 12:34:23 +0530 Message-ID: <20230613070426.467389-7-manikandan.m@microchip.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20230613070426.467389-1-manikandan.m@microchip.com> References: <20230613070426.467389-1-manikandan.m@microchip.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" - XLCDC in SAM9X7 has different sets of registers and additional configuration bits when compared to previous HLCDC IP. Read/write operation on the controller registers is now separated using the XLCDC status flag. - HEO scaling, window resampling, Alpha blending, YUV-to-RGB conversion in XLCDC is derived and handled using additional configuration bits and registers. - Writing one to the Enable fields of each layer in LCD_ATTRE is required to reflect the values set in Configuration, FBA, Enable registers of each layer Signed-off-by: Manikandan Muralidharan [Hari.PrasathGE@microchip.com: update the attribute field for each layer] Signed-off-by: Hari Prasath Gujulan Elango [durai.manickamkr@microchip.com: implement status flag to seprate register = update] Signed-off-by: Durai Manickam KR --- .../gpu/drm/atmel-hlcdc/atmel_hlcdc_crtc.c | 28 +- .../gpu/drm/atmel-hlcdc/atmel_hlcdc_plane.c | 297 ++++++++++++++---- 2 files changed, 256 insertions(+), 69 deletions(-) diff --git a/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_crtc.c b/drivers/gpu/d= rm/atmel-hlcdc/atmel_hlcdc_crtc.c index 58184cd6ab0b..7c9cf7c0c75d 100644 --- a/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_crtc.c +++ b/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_crtc.c @@ -139,10 +139,10 @@ static void atmel_hlcdc_crtc_mode_set_nofb(struct drm= _crtc *c) state =3D drm_crtc_state_to_atmel_hlcdc_crtc_state(c->state); cfg =3D state->output_mode << 8; =20 - if (adj->flags & DRM_MODE_FLAG_NVSYNC) + if (!crtc->dc->is_xlcdc && (adj->flags & DRM_MODE_FLAG_NVSYNC)) cfg |=3D ATMEL_HLCDC_VSPOL; =20 - if (adj->flags & DRM_MODE_FLAG_NHSYNC) + if (!crtc->dc->is_xlcdc && (adj->flags & DRM_MODE_FLAG_NHSYNC)) cfg |=3D ATMEL_HLCDC_HSPOL; =20 regmap_update_bits(regmap, ATMEL_HLCDC_CFG(5), @@ -177,6 +177,18 @@ static void atmel_hlcdc_crtc_atomic_disable(struct drm= _crtc *c, =20 pm_runtime_get_sync(dev->dev); =20 + if (crtc->dc->is_xlcdc) { + regmap_write(regmap, ATMEL_HLCDC_DIS, ATMEL_XLCDC_CM); + while (!regmap_read(regmap, ATMEL_HLCDC_SR, &status) && + (status & ATMEL_XLCDC_CM)) + cpu_relax(); + + regmap_write(regmap, ATMEL_HLCDC_DIS, ATMEL_XLCDC_SD); + while (!regmap_read(regmap, ATMEL_HLCDC_SR, &status) && + !(status & ATMEL_XLCDC_SD)) + cpu_relax(); + } + regmap_write(regmap, ATMEL_HLCDC_DIS, ATMEL_HLCDC_DISP); while (!regmap_read(regmap, ATMEL_HLCDC_SR, &status) && (status & ATMEL_HLCDC_DISP)) @@ -231,6 +243,18 @@ static void atmel_hlcdc_crtc_atomic_enable(struct drm_= crtc *c, !(status & ATMEL_HLCDC_DISP)) cpu_relax(); =20 + if (crtc->dc->is_xlcdc) { + regmap_write(regmap, ATMEL_HLCDC_EN, ATMEL_XLCDC_CM); + while (!regmap_read(regmap, ATMEL_HLCDC_SR, &status) && + !(status & ATMEL_XLCDC_CM)) + cpu_relax(); + + regmap_write(regmap, ATMEL_HLCDC_EN, ATMEL_XLCDC_SD); + while (!regmap_read(regmap, ATMEL_HLCDC_SR, &status) && + (status & ATMEL_XLCDC_SD)) + cpu_relax(); + } + pm_runtime_put_sync(dev->dev); =20 } diff --git a/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_plane.c b/drivers/gpu/= drm/atmel-hlcdc/atmel_hlcdc_plane.c index daa508504f47..fe33476818c4 100644 --- a/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_plane.c +++ b/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_plane.c @@ -330,11 +330,59 @@ static void atmel_hlcdc_plane_setup_scaler(struct atm= el_hlcdc_plane *plane, yfactor)); } =20 +static void atmel_xlcdc_plane_setup_scaler(struct atmel_hlcdc_plane *plane, + struct atmel_hlcdc_plane_state *state) +{ + const struct atmel_hlcdc_layer_desc *desc =3D plane->layer.desc; + u32 xfactor, yfactor; + + if (!desc->layout.scaler_config) + return; + + if (state->crtc_w =3D=3D state->src_w && state->crtc_h =3D=3D state->src_= h) { + atmel_hlcdc_layer_write_cfg(&plane->layer, + desc->layout.scaler_config, 0); + return; + } + + /* xfactor =3D round[(2^20 * XMEMSIZE)/XSIZE)] */ + xfactor =3D (1048576 * state->src_w) / state->crtc_w; + + /* yfactor =3D round[(2^20 * YMEMSIZE)/YSIZE)] */ + yfactor =3D (1048576 * state->src_h) / state->crtc_h; + + atmel_hlcdc_layer_write_cfg(&plane->layer, desc->layout.scaler_config, + ATMEL_XLCDC_LAYER_VSCALER_LUMA_ENABLE | + ATMEL_XLCDC_LAYER_VSCALER_CHROMA_ENABLE | + ATMEL_XLCDC_LAYER_HSCALER_LUMA_ENABLE | + ATMEL_XLCDC_LAYER_HSCALER_CHROMA_ENABLE); + + atmel_hlcdc_layer_write_cfg(&plane->layer, desc->layout.scaler_config + 1, + yfactor); + atmel_hlcdc_layer_write_cfg(&plane->layer, desc->layout.scaler_config + 3, + xfactor); + + /* As per YCbCr window resampling configuration */ + if (state->base.fb->format->format =3D=3D DRM_FORMAT_YUV420) { + atmel_hlcdc_layer_write_cfg(&plane->layer, desc->layout.scaler_config + = 2, + yfactor / 2); + atmel_hlcdc_layer_write_cfg(&plane->layer, desc->layout.scaler_config + = 4, + xfactor / 2); + } else { + /* As per ARGB window resampling configuration */ + atmel_hlcdc_layer_write_cfg(&plane->layer, desc->layout.scaler_config + = 2, + yfactor); + atmel_hlcdc_layer_write_cfg(&plane->layer, desc->layout.scaler_config + = 4, + xfactor); + } +} + static void atmel_hlcdc_plane_update_pos_and_size(struct atmel_hlcdc_plane *plane, struct atmel_hlcdc_plane_state *state) { const struct atmel_hlcdc_layer_desc *desc =3D plane->layer.desc; + struct atmel_hlcdc_dc *dc =3D plane->base.dev->dev_private; =20 if (desc->layout.size) atmel_hlcdc_layer_write_cfg(&plane->layer, desc->layout.size, @@ -352,7 +400,10 @@ atmel_hlcdc_plane_update_pos_and_size(struct atmel_hlc= dc_plane *plane, ATMEL_HLCDC_LAYER_POS(state->crtc_x, state->crtc_y)); =20 - atmel_hlcdc_plane_setup_scaler(plane, state); + if (!(dc->is_xlcdc)) + atmel_hlcdc_plane_setup_scaler(plane, state); + else + atmel_xlcdc_plane_setup_scaler(plane, state); } =20 static void @@ -362,33 +413,58 @@ atmel_hlcdc_plane_update_general_settings(struct atme= l_hlcdc_plane *plane, unsigned int cfg =3D ATMEL_HLCDC_LAYER_DMA_BLEN_INCR16 | state->ahb_id; const struct atmel_hlcdc_layer_desc *desc =3D plane->layer.desc; const struct drm_format_info *format =3D state->base.fb->format; - + struct atmel_hlcdc_dc *dc =3D plane->base.dev->dev_private; /* * Rotation optimization is not working on RGB888 (rotation is still * working but without any optimization). */ - if (format->format =3D=3D DRM_FORMAT_RGB888) + if ((!(dc->is_xlcdc)) && format->format =3D=3D DRM_FORMAT_RGB888) cfg |=3D ATMEL_HLCDC_LAYER_DMA_ROTDIS; =20 - atmel_hlcdc_layer_write_cfg(&plane->layer, ATMEL_HLCDC_LAYER_DMA_CFG, - cfg); + if (!(dc->is_xlcdc)) { + atmel_hlcdc_layer_write_cfg(&plane->layer, ATMEL_HLCDC_LAYER_DMA_CFG, + cfg); =20 - cfg =3D ATMEL_HLCDC_LAYER_DMA | ATMEL_HLCDC_LAYER_REP; + cfg =3D ATMEL_HLCDC_LAYER_DMA | ATMEL_HLCDC_LAYER_REP; + } else { + atmel_hlcdc_layer_write_cfg(&plane->layer, ATMEL_XLCDC_LAYER_DMA_CFG, + cfg); + + cfg =3D ATMEL_XLCDC_LAYER_DMA | ATMEL_XLCDC_LAYER_REP; + } =20 if (plane->base.type !=3D DRM_PLANE_TYPE_PRIMARY) { - cfg |=3D ATMEL_HLCDC_LAYER_OVR | ATMEL_HLCDC_LAYER_ITER2BL | - ATMEL_HLCDC_LAYER_ITER; + if (!(dc->is_xlcdc)) { + cfg |=3D ATMEL_HLCDC_LAYER_OVR | ATMEL_HLCDC_LAYER_ITER2BL | + ATMEL_HLCDC_LAYER_ITER; + + if (format->has_alpha) + cfg |=3D ATMEL_HLCDC_LAYER_LAEN; + else + cfg |=3D ATMEL_HLCDC_LAYER_GAEN | + ATMEL_HLCDC_LAYER_GA(state->base.alpha); + } else { + /* + * Alpha Blending bits specific to SAM9X7 SoC + */ + cfg |=3D ATMEL_XLCDC_LAYER_SFACTC_A0_MULT_AS | + ATMEL_XLCDC_LAYER_SFACTA_ONE | + ATMEL_XLCDC_LAYER_DFACTC_M_A0_MULT_AS | + ATMEL_XLCDC_LAYER_DFACTA_ONE; + if (format->has_alpha) + cfg |=3D ATMEL_XLCDC_LAYER_A0(0xff); + else + cfg |=3D ATMEL_XLCDC_LAYER_A0(state->base.alpha); + } + } =20 - if (format->has_alpha) - cfg |=3D ATMEL_HLCDC_LAYER_LAEN; + if (state->disc_h && state->disc_w) { + if (!(dc->is_xlcdc)) + cfg |=3D ATMEL_HLCDC_LAYER_DISCEN; else - cfg |=3D ATMEL_HLCDC_LAYER_GAEN | - ATMEL_HLCDC_LAYER_GA(state->base.alpha); + cfg |=3D ATMEL_XLCDC_LAYER_DISCEN; } =20 - if (state->disc_h && state->disc_w) - cfg |=3D ATMEL_HLCDC_LAYER_DISCEN; - atmel_hlcdc_layer_write_cfg(&plane->layer, desc->layout.general_config, cfg); } @@ -441,33 +517,42 @@ static void atmel_hlcdc_plane_update_buffers(struct a= tmel_hlcdc_plane *plane, struct atmel_hlcdc_plane_state *state) { const struct atmel_hlcdc_layer_desc *desc =3D plane->layer.desc; + struct atmel_hlcdc_dc *dc =3D plane->base.dev->dev_private; struct drm_framebuffer *fb =3D state->base.fb; u32 sr; int i; =20 - sr =3D atmel_hlcdc_layer_read_reg(&plane->layer, ATMEL_HLCDC_LAYER_CHSR); + if (!(dc->is_xlcdc)) + sr =3D atmel_hlcdc_layer_read_reg(&plane->layer, ATMEL_HLCDC_LAYER_CHSR); + else + sr =3D atmel_hlcdc_layer_read_reg(&plane->layer, ATMEL_XLCDC_LAYER_ENR); =20 for (i =3D 0; i < state->nplanes; i++) { struct drm_gem_dma_object *gem =3D drm_fb_dma_get_gem_obj(fb, i); =20 state->dscrs[i]->addr =3D gem->dma_addr + state->offsets[i]; =20 - atmel_hlcdc_layer_write_reg(&plane->layer, - ATMEL_HLCDC_LAYER_PLANE_HEAD(i), - state->dscrs[i]->self); - - if (!(sr & ATMEL_HLCDC_LAYER_EN)) { - atmel_hlcdc_layer_write_reg(&plane->layer, - ATMEL_HLCDC_LAYER_PLANE_ADDR(i), - state->dscrs[i]->addr); + if (!(dc->is_xlcdc)) { atmel_hlcdc_layer_write_reg(&plane->layer, - ATMEL_HLCDC_LAYER_PLANE_CTRL(i), - state->dscrs[i]->ctrl); + ATMEL_HLCDC_LAYER_PLANE_HEAD(i), + state->dscrs[i]->self); + + if (!(sr & ATMEL_HLCDC_LAYER_EN)) { + atmel_hlcdc_layer_write_reg(&plane->layer, + ATMEL_HLCDC_LAYER_PLANE_ADDR(i), + state->dscrs[i]->addr); + atmel_hlcdc_layer_write_reg(&plane->layer, + ATMEL_HLCDC_LAYER_PLANE_CTRL(i), + state->dscrs[i]->ctrl); + atmel_hlcdc_layer_write_reg(&plane->layer, + ATMEL_HLCDC_LAYER_PLANE_NEXT(i), + state->dscrs[i]->self); + } + } else { atmel_hlcdc_layer_write_reg(&plane->layer, - ATMEL_HLCDC_LAYER_PLANE_NEXT(i), - state->dscrs[i]->self); + ATMEL_XLCDC_LAYER_PLANE_ADDR(i), + state->dscrs[i]->addr); } - if (desc->layout.xstride[i]) atmel_hlcdc_layer_write_cfg(&plane->layer, desc->layout.xstride[i], @@ -716,19 +801,31 @@ static void atmel_hlcdc_plane_atomic_disable(struct d= rm_plane *p, struct drm_atomic_state *state) { struct atmel_hlcdc_plane *plane =3D drm_plane_to_atmel_hlcdc_plane(p); - + struct atmel_hlcdc_dc *dc =3D plane->base.dev->dev_private; /* Disable interrupts */ - atmel_hlcdc_layer_write_reg(&plane->layer, ATMEL_HLCDC_LAYER_IDR, - 0xffffffff); + if (!(dc->is_xlcdc)) + atmel_hlcdc_layer_write_reg(&plane->layer, ATMEL_HLCDC_LAYER_IDR, + 0xffffffff); + else + atmel_hlcdc_layer_write_reg(&plane->layer, ATMEL_XLCDC_LAYER_IDR, + 0xffffffff); =20 /* Disable the layer */ - atmel_hlcdc_layer_write_reg(&plane->layer, ATMEL_HLCDC_LAYER_CHDR, - ATMEL_HLCDC_LAYER_RST | - ATMEL_HLCDC_LAYER_A2Q | - ATMEL_HLCDC_LAYER_UPDATE); + if (!(dc->is_xlcdc)) + atmel_hlcdc_layer_write_reg(&plane->layer, + ATMEL_HLCDC_LAYER_CHDR, + ATMEL_HLCDC_LAYER_RST | + ATMEL_HLCDC_LAYER_A2Q | + ATMEL_HLCDC_LAYER_UPDATE); + else + atmel_hlcdc_layer_write_reg(&plane->layer, + ATMEL_XLCDC_LAYER_ENR, 0); =20 /* Clear all pending interrupts */ - atmel_hlcdc_layer_read_reg(&plane->layer, ATMEL_HLCDC_LAYER_ISR); + if (!(dc->is_xlcdc)) + atmel_hlcdc_layer_read_reg(&plane->layer, ATMEL_HLCDC_LAYER_ISR); + else + atmel_hlcdc_layer_read_reg(&plane->layer, ATMEL_XLCDC_LAYER_ISR); } =20 static void atmel_hlcdc_plane_atomic_update(struct drm_plane *p, @@ -739,6 +836,7 @@ static void atmel_hlcdc_plane_atomic_update(struct drm_= plane *p, struct atmel_hlcdc_plane *plane =3D drm_plane_to_atmel_hlcdc_plane(p); struct atmel_hlcdc_plane_state *hstate =3D drm_plane_state_to_atmel_hlcdc_plane_state(new_s); + struct atmel_hlcdc_dc *dc =3D p->dev->dev_private; u32 sr; =20 if (!new_s->crtc || !new_s->fb) @@ -756,23 +854,46 @@ static void atmel_hlcdc_plane_atomic_update(struct dr= m_plane *p, atmel_hlcdc_plane_update_buffers(plane, hstate); atmel_hlcdc_plane_update_disc_area(plane, hstate); =20 - /* Enable the overrun interrupts. */ - atmel_hlcdc_layer_write_reg(&plane->layer, ATMEL_HLCDC_LAYER_IER, - ATMEL_HLCDC_LAYER_OVR_IRQ(0) | - ATMEL_HLCDC_LAYER_OVR_IRQ(1) | - ATMEL_HLCDC_LAYER_OVR_IRQ(2)); - - /* Apply the new config at the next SOF event. */ - sr =3D atmel_hlcdc_layer_read_reg(&plane->layer, ATMEL_HLCDC_LAYER_CHSR); - atmel_hlcdc_layer_write_reg(&plane->layer, ATMEL_HLCDC_LAYER_CHER, - ATMEL_HLCDC_LAYER_UPDATE | - (sr & ATMEL_HLCDC_LAYER_EN ? - ATMEL_HLCDC_LAYER_A2Q : ATMEL_HLCDC_LAYER_EN)); + if (!(dc->is_xlcdc)) { + /* Enable the overrun interrupts. */ + atmel_hlcdc_layer_write_reg(&plane->layer, ATMEL_HLCDC_LAYER_IER, + ATMEL_HLCDC_LAYER_OVR_IRQ(0) | + ATMEL_HLCDC_LAYER_OVR_IRQ(1) | + ATMEL_HLCDC_LAYER_OVR_IRQ(2)); + + /* Apply the new config at the next SOF event. */ + sr =3D atmel_hlcdc_layer_read_reg(&plane->layer, ATMEL_HLCDC_LAYER_CHSR); + atmel_hlcdc_layer_write_reg(&plane->layer, ATMEL_HLCDC_LAYER_CHER, + ATMEL_HLCDC_LAYER_UPDATE | + (sr & ATMEL_HLCDC_LAYER_EN ? + ATMEL_HLCDC_LAYER_A2Q : ATMEL_HLCDC_LAYER_EN)); + } else { + /* Enable the overrun interrupts. */ + atmel_hlcdc_layer_write_reg(&plane->layer, ATMEL_XLCDC_LAYER_IER, + ATMEL_XLCDC_LAYER_OVR_IRQ(0) | + ATMEL_XLCDC_LAYER_OVR_IRQ(1) | + ATMEL_XLCDC_LAYER_OVR_IRQ(2)); + + atmel_hlcdc_layer_write_reg(&plane->layer, ATMEL_XLCDC_LAYER_ENR, + ATMEL_XLCDC_LAYER_EN); + } + + /* + * Updating XLCDC_xxxCFGx, XLCDC_xxxFBA and XLCDC_xxxEN, + * (where xxx indicates each layer) requires writing one to the + * Update Attribute field for each layer in LCDC_ATTRE register for SAM9X= 7. + */ + if (dc->is_xlcdc) { + regmap_write(dc->hlcdc->regmap, ATMEL_XLCDC_ATTRE, ATMEL_XLCDC_BASE_UPDA= TE | + ATMEL_XLCDC_OVR1_UPDATE | ATMEL_XLCDC_OVR3_UPDATE | + ATMEL_XLCDC_HEO_UPDATE); + } } =20 static int atmel_hlcdc_plane_init_properties(struct atmel_hlcdc_plane *pla= ne) { const struct atmel_hlcdc_layer_desc *desc =3D plane->layer.desc; + struct atmel_hlcdc_dc *dc =3D plane->base.dev->dev_private; =20 if (desc->type =3D=3D ATMEL_HLCDC_OVERLAY_LAYER || desc->type =3D=3D ATMEL_HLCDC_CURSOR_LAYER) { @@ -796,20 +917,50 @@ static int atmel_hlcdc_plane_init_properties(struct a= tmel_hlcdc_plane *plane) return ret; } =20 - if (desc->layout.csc) { + if (!(dc->is_xlcdc)) { + if (desc->layout.csc) { + /* + * TODO: decare a "yuv-to-rgb-conv-factors" property to let + * userspace modify these factors (using a BLOB property ?). + */ + atmel_hlcdc_layer_write_cfg(&plane->layer, + desc->layout.csc, + 0x4c900091); + atmel_hlcdc_layer_write_cfg(&plane->layer, + desc->layout.csc + 1, + 0x7a5f5090); + atmel_hlcdc_layer_write_cfg(&plane->layer, + desc->layout.csc + 2, + 0x40040890); + } + } else { /* - * TODO: decare a "yuv-to-rgb-conv-factors" property to let - * userspace modify these factors (using a BLOB property ?). + * yuv-to-rgb-conv-factors are now defined from LCDC_HEOCFG16 to + * LCDC_HEOCFG21 registers in SAM9X7. */ - atmel_hlcdc_layer_write_cfg(&plane->layer, - desc->layout.csc, - 0x4c900091); - atmel_hlcdc_layer_write_cfg(&plane->layer, - desc->layout.csc + 1, - 0x7a5f5090); - atmel_hlcdc_layer_write_cfg(&plane->layer, - desc->layout.csc + 2, - 0x40040890); + if (desc->layout.csc) { + atmel_hlcdc_layer_write_cfg(&plane->layer, + desc->layout.csc, + 0x00000488); + atmel_hlcdc_layer_write_cfg(&plane->layer, + desc->layout.csc + 1, + 0x00000648); + atmel_hlcdc_layer_write_cfg(&plane->layer, + desc->layout.csc + 2, + 0x1EA00480); + atmel_hlcdc_layer_write_cfg(&plane->layer, + desc->layout.csc + 3, + 0x00001D28); + atmel_hlcdc_layer_write_cfg(&plane->layer, + desc->layout.csc + 4, + 0x08100480); + atmel_hlcdc_layer_write_cfg(&plane->layer, + desc->layout.csc + 5, + 0x00000000); + atmel_hlcdc_layer_write_cfg(&plane->layer, + desc->layout.csc + 6, + 0x00000007); + } } =20 return 0; @@ -819,19 +970,31 @@ void atmel_hlcdc_plane_irq(struct atmel_hlcdc_plane *= plane) { const struct atmel_hlcdc_layer_desc *desc =3D plane->layer.desc; u32 isr; + struct atmel_hlcdc_dc *dc =3D plane->base.dev->dev_private; =20 - isr =3D atmel_hlcdc_layer_read_reg(&plane->layer, ATMEL_HLCDC_LAYER_ISR); + if (!(dc->is_xlcdc)) + isr =3D atmel_hlcdc_layer_read_reg(&plane->layer, ATMEL_HLCDC_LAYER_ISR); + else + isr =3D atmel_hlcdc_layer_read_reg(&plane->layer, ATMEL_XLCDC_LAYER_ISR); =20 /* * There's not much we can do in case of overrun except informing * the user. However, we are in interrupt context here, hence the * use of dev_dbg(). */ - if (isr & - (ATMEL_HLCDC_LAYER_OVR_IRQ(0) | ATMEL_HLCDC_LAYER_OVR_IRQ(1) | - ATMEL_HLCDC_LAYER_OVR_IRQ(2))) - dev_dbg(plane->base.dev->dev, "overrun on plane %s\n", - desc->name); + if (!(dc->is_xlcdc)) { + if (isr & + (ATMEL_HLCDC_LAYER_OVR_IRQ(0) | ATMEL_HLCDC_LAYER_OVR_IRQ(1) | + ATMEL_HLCDC_LAYER_OVR_IRQ(2))) + dev_dbg(plane->base.dev->dev, "overrun on plane %s\n", + desc->name); + } else { + if (isr & + (ATMEL_XLCDC_LAYER_OVR_IRQ(0) | ATMEL_XLCDC_LAYER_OVR_IRQ(1) | + ATMEL_XLCDC_LAYER_OVR_IRQ(2))) + dev_dbg(plane->base.dev->dev, "overrun on plane %s\n", + desc->name); + } } =20 static const struct drm_plane_helper_funcs atmel_hlcdc_layer_plane_helper_= funcs =3D { --=20 2.25.1