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2f9d9041ad
Store each hardware's CRTC memory threshold in the specific instance of struct ast_device_quirks. Removes the calls to IS_AST_GENn() from ast_set_crtthd_reg(). The values stored in the registers appear to be plain limits. Hence write them in the driver in decimal format instead of hexadecimal. Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de> Reviewed-by: Jocelyn Falempe <jfalempe@redhat.com> Link: https://lore.kernel.org/r/20251007150343.273718-4-tzimmermann@suse.de
93 lines
2.5 KiB
C
93 lines
2.5 KiB
C
// SPDX-License-Identifier: MIT
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/*
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* Copyright 2012 Red Hat Inc.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sub license, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
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* THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,
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* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
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* OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
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* USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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* The above copyright notice and this permission notice (including the
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* next paragraph) shall be included in all copies or substantial portions
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* of the Software.
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*/
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/*
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* Authors: Dave Airlie <airlied@redhat.com>
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*/
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#include <linux/pci.h>
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#include <drm/drm_drv.h>
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#include "ast_drv.h"
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static void ast_2200_detect_widescreen(struct ast_device *ast)
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{
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if (__ast_2100_detect_wsxga_p(ast)) {
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ast->support_wsxga_p = true;
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if (ast->chip == AST2200)
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ast->support_fullhd = true;
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}
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if (__ast_2100_detect_wuxga(ast))
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ast->support_wuxga = true;
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}
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static const struct ast_device_quirks ast_2200_device_quirks = {
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.crtc_mem_req_threshold_low = 47,
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.crtc_mem_req_threshold_high = 63,
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};
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struct drm_device *ast_2200_device_create(struct pci_dev *pdev,
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const struct drm_driver *drv,
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enum ast_chip chip,
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enum ast_config_mode config_mode,
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void __iomem *regs,
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void __iomem *ioregs,
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bool need_post)
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{
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struct drm_device *dev;
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struct ast_device *ast;
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int ret;
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ast = devm_drm_dev_alloc(&pdev->dev, drv, struct ast_device, base);
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if (IS_ERR(ast))
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return ERR_CAST(ast);
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dev = &ast->base;
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ast_device_init(ast, chip, config_mode, regs, ioregs, &ast_2200_device_quirks);
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ast->dclk_table = ast_2000_dclk_table;
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ast_2000_detect_tx_chip(ast, need_post);
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if (need_post) {
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ret = ast_post_gpu(ast);
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if (ret)
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return ERR_PTR(ret);
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}
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ret = ast_mm_init(ast);
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if (ret)
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return ERR_PTR(ret);
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ast_2200_detect_widescreen(ast);
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ret = ast_mode_config_init(ast);
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if (ret)
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return ERR_PTR(ret);
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return dev;
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}
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